OpenTechnical

OT-2026-000052275

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000052275) never changes.

Identity and time

Publication numberOT-2026-000052275 · never reused
Internal UUID01a0ae83-e791-7573-be23-0b7409a92c53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052275
StatusPUBLIC

Content hashes

Canonical textb96014519a7514adc1535ef503366628bff677f4cf8856ec6f44f00a008b6dd0
Markdownf1e602276210765ce910331c296934c5586aae5d35ea23347aec82ffef8de182
PDF
Publication page7eb57c0267c75dbb2c55ca2608805cb59b803fbb5a5bff767cf38c1aa9173b35
Manifest8bb2e5a8cdbe6325b08291ad7e9d1b358d224b5a601dfd9665dd212c38ff06a1

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
Signaturet93x9dw/OLARpfCW5vGz4BcZ9A7Chm9TvGICYzU6mxqX4nWKY1aS8FQkkJiogPti5Y5uLrydQT0peA+PWP2HBw==
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

2026-09-17T10:57:51.869758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052275
observed 7eb57c0267c75dbb2c55ca2608805cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.851005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052275/manifest.json
observed 8bb2e5a8cdbe6325b08291ad7e9d1b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.832065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052275/publication.md
observed f1e602276210765ce910331c296934c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.813486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052275/publication.txt
observed b96014519a7514adc1535ef503366628...
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.