OpenTechnical

OT-2026-000040930

Publication integrity record

Foam pad vacuum gripper, two stage ejector, sustained blow-off after 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-2026-000040930) never changes.

Identity and time

Publication numberOT-2026-000040930 · never reused
Internal UUID01a0ae79-6d10-7052-9bff-c849a3f1d274 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040930
StatusPUBLIC

Content hashes

Canonical text80e2055bf43079538bbc301c4b80f42f816c454271d99044b8843c3820dfa4b0
Markdown8391f99c3b3bb42008ab62873bc158c7961735f32d384c1fc446f1ce373beb13
PDF
Publication pageb2f3c8dd3feb349f95f110cd3de6694194e4f8738a2b70a109de428dcdfdfe83
Manifest656f16fa924eed255eb362fa807c1314cdde8f4d29319dca510f3521e8c62b61

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
SignaturetmCR3lGlLVLvkZcUj350P/YfwOQ4OoxZQsRfhjbLfrTkqnlG2uTb+EqENjSti+DXBPV4eOwALZnp4juzhTqpDw==
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

2026-09-17T11:20:19.484963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040930
observed b2f3c8dd3feb349f95f110cd3de66941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.466934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040930/manifest.json
observed 656f16fa924eed255eb362fa807c1314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.447103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040930/publication.md
observed 8391f99c3b3bb42008ab62873bc158c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.427023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040930/publication.txt
observed 80e2055bf43079538bbc301c4b80f42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:44.393704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040930
observed b2f3c8dd3feb349f95f110cd3de66941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:44.376895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040930/manifest.json
observed 656f16fa924eed255eb362fa807c1314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:44.360151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040930/publication.md
observed 8391f99c3b3bb42008ab62873bc158c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:44.344119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040930/publication.txt
observed 80e2055bf43079538bbc301c4b80f42f...
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.