OpenTechnical

OT-2026-000034151

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000034151) never changes.

Identity and time

Publication numberOT-2026-000034151 · never reused
Internal UUID01a0ae75-df0d-7952-8585-301b8d3039ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034151
StatusPUBLIC

Content hashes

Canonical text2f182ee6238b0673895fb2d6f8ed9509878a1b46694cf390fd3992966b33bac5
Markdownd4f40c35450f89e26852c8078772b538b868818a5d624264a23368c999ed1fb8
PDF
Publication pagec5efae3c889793c562eb8a1bcc9b6fbf361bf31fab89a7f5aef4998d6616545d
Manifest9531fd81fd384244910514467c5329f7447e267297ae4df2c62e34d6889d7d15

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
Signature/YLfp2Y3cwdCjP5f31qH5bYoSIsm3i5+4exTEenPYzmCffFvHnOFGrpatKNjIqSQukp1MikIGbrhIG/1++GqBQ==
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

2026-09-17T11:30:33.045928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034151
observed c5efae3c889793c562eb8a1bcc9b6fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.023688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034151/manifest.json
observed 9531fd81fd384244910514467c5329f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.006291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034151/publication.md
observed d4f40c35450f89e26852c8078772b538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.990258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034151/publication.txt
observed 2f182ee6238b0673895fb2d6f8ed9509...
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.