OpenTechnical

OT-2026-000038639

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum 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-2026-000038639) never changes.

Identity and time

Publication numberOT-2026-000038639 · never reused
Internal UUID01a0ae78-2d55-7539-89cd-b27efddcbc26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038639
StatusPUBLIC

Content hashes

Canonical text3e10f4666bf079b2c557de5779773f2dd7a65d431c2d782ed68f5d58970a8ccc
Markdown293fc779116beb3ed5137dbf32275a4ba4e3617d0b446d61821fa87b4e4a692f
PDF
Publication page73df3f54a7d757274aa7f7f4855f8639aed4f38e8dd1366302f9f520266a8be3
Manifestc521ab8cd5455cf927d4ec0e68c09c94208d0dabefb8a376b264827919ecd074

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
SignatureNPkJebFeLojqABfANimaPzUGoW7A9lRhsiWN8fEdtn7FbvC7eD95qluwi0Jn6ZiifarGumUEF9eD3uoS+5rUBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:22:56.157449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038639
observed 73df3f54a7d757274aa7f7f4855f8639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.139399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038639/manifest.json
observed c521ab8cd5455cf927d4ec0e68c09c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.118228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038639/publication.md
observed 293fc779116beb3ed5137dbf32275a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.100538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038639/publication.txt
observed 3e10f4666bf079b2c557de5779773f2d...
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.