OpenTechnical

OT-2026-000022903

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000022903) never changes.

Identity and time

Publication numberOT-2026-000022903 · never reused
Internal UUID01a0ae70-46eb-7c46-8ca3-8630e15b777f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022903
StatusPUBLIC

Content hashes

Canonical text18c33a41cf4d45282b1d0281c623939608a9ed196151b7fde6a1e155f353fc92
Markdown9d40f4c6f3315f53482ce3fb8525c138d253a7cc0939938bdc740597a98974e0
PDF
Publication page9511f10a3ea01d3ef4d93e9187b7d8c506d073c9734c94099fac9473f925c0d8
Manifestb5a1e646c049299216d00e967f60eb59b782c863a5f342dfe712ab39699b3b38

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
SignatureAQipWump9tQsd0hyAU8gq41Oo8e4BvzkOW7ox/KbNNO8EPjMzt4mqnzYZgjidRJsJlEmnumNstrZqvJo1hZ/AQ==
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

2026-09-17T11:52:28.555302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022903
observed 9511f10a3ea01d3ef4d93e9187b7d8c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.536721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022903/manifest.json
observed b5a1e646c049299216d00e967f60eb59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.516870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022903/publication.md
observed 9d40f4c6f3315f53482ce3fb8525c138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.499294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022903/publication.txt
observed 18c33a41cf4d45282b1d0281c6239396...
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.