OpenTechnical

OT-2026-000057203

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057203) never changes.

Identity and time

Publication numberOT-2026-000057203 · never reused
Internal UUID01a0ae87-d5ba-7163-91b6-28b0f614bb0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057203
StatusPUBLIC

Content hashes

Canonical text312381fe1473731e60d99577586dcf001dadd279bc2cb8c7026fa46aa00c17fd
Markdownd7e1bc0f5b9d19ee57fee2833c7b976950930292c1e90056ab186459dd6972f6
PDF
Publication pageedc95eb0f98f870fcb64f35342670fc9b2a55fb20b309323bf26a9ef7fb36e7c
Manifest50e28834df8c0a5173a4aef3d435110c32d4c98536ff29ee3817ee85ff20df94

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature7pCcFHhSdqiXN4cPf2Z4lT4STc+s/z/dgMURrS0fCM0OKq003vD43pxHmJyrZTTK3gdKC6EKqWLtpkVD1qX2Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:15.112786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057203
observed edc95eb0f98f870fcb64f35342670fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.097099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057203/manifest.json
observed 50e28834df8c0a5173a4aef3d435110c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.077207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057203/publication.md
observed d7e1bc0f5b9d19ee57fee2833c7b9769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.059518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057203/publication.txt
observed 312381fe1473731e60d99577586dcf00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.857303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057203
observed edc95eb0f98f870fcb64f35342670fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.839286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057203/manifest.json
observed 50e28834df8c0a5173a4aef3d435110c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.821469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057203/publication.md
observed d7e1bc0f5b9d19ee57fee2833c7b9769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.803243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057203/publication.txt
observed 312381fe1473731e60d99577586dcf00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.