OpenTechnical

OT-2026-000050759

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000050759) never changes.

Identity and time

Publication numberOT-2026-000050759 · never reused
Internal UUID01a0ae82-c7b1-7f08-8166-4b472b6cb13e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050759
StatusPUBLIC

Content hashes

Canonical text413861289bce2be5115fb6a3119bffa518cba548ecc2e56e86350443580fad07
Markdown11fee923ad0060a193f9456efc2311b38e667248a7444e3f88472dbae17e1bff
PDF
Publication page360ee836bbb919347b3df332b1fb1d2929cd764605c04d859deec3830217be56
Manifesteac51c835bc85f2047b634f7802319b6e57e10400da921ee4cad71b73c8f7568

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
SignatureGxt/ub5Rjx9CD4/K6G6toNSZjVcmLVqedi4n0R07ZASOhgA4RImol+WQ1nnjvo7Y678jrhWQaBjQmnS54SwwBA==
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

2026-09-17T11:00:08.916671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050759
observed 360ee836bbb919347b3df332b1fb1d29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.897887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050759
observed 360ee836bbb919347b3df332b1fb1d29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.887973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050759/manifest.json
observed eac51c835bc85f2047b634f7802319b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.873550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050759/manifest.json
observed eac51c835bc85f2047b634f7802319b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.867757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050759/publication.md
observed 11fee923ad0060a193f9456efc2311b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.847541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050759/publication.md
observed 11fee923ad0060a193f9456efc2311b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.841357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050759/publication.txt
observed 413861289bce2be5115fb6a3119bffa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.814643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050759/publication.txt
observed 413861289bce2be5115fb6a3119bffa5...
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.