OpenTechnical

OT-2026-000034612

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000034612) never changes.

Identity and time

Publication numberOT-2026-000034612 · never reused
Internal UUID01a0ae76-1ed1-700d-9194-d5d9d07dcbe6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034612
StatusPUBLIC

Content hashes

Canonical textf00a0932965f2142e172c7dcdd50eac62d2db94e2544a7fbc0f6bd7d607dc7ce
Markdownc0d3718c6cdfacc855df72a56145ff17d7a0f682c49cf3465e9cf1f3a007e1b0
PDF
Publication page2790f7fd746663b3222f9c6edb186a3d72cab5078ebb5eb0d325f8e7438a77cd
Manifest8d130f26eb84e4a963a0b8a1678e9f63ffdc4b1fdb4f9e286b68f2c2f11b7f97

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
SignatureQYemhE8eZSkWPw+Nw+HVdC1KOjp1hldPzDKkhEr1l19nd24HpD50fYaAl0mtx6/iaFs0a0lbgZEqsO+OjHUFBw==
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

2026-09-17T11:28:59.605715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034612
observed 2790f7fd746663b3222f9c6edb186a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.588237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034612/manifest.json
observed 8d130f26eb84e4a963a0b8a1678e9f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.571378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034612/publication.md
observed c0d3718c6cdfacc855df72a56145ff17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.554383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034612/publication.txt
observed f00a0932965f2142e172c7dcdd50eac6...
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.