OpenTechnical

OT-2026-000081332

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000081332) never changes.

Identity and time

Publication numberOT-2026-000081332 · never reused
Internal UUID01a0ae96-f374-7eb9-89bc-0ee7277868f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081332
StatusPUBLIC

Content hashes

Canonical text0cb11917c55864ef86515ca780826c09c0e423e6c8628fc0fde952f1c7ed4012
Markdown4e5f5692334939a327cdb14784a2239fe6ce0dcc76b2bcf600b84b4b07da6f72
PDF
Publication pageb36512c83e922500b664029a658c2d1f9c2a37f8eb6c9a59ec5e73d706c4350a
Manifest0155904fa2aeb05082e2394e10d5125395795fddca4895b7497e52941a5abc69

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
SignaturewFnNOm7sFb5xdvRLbNXr93IfYbBO8RAmD4J7Vq+0/XPZY+ngDppJDlvRV1Jd72tsNRqkAi9UUcztOEiDoRvzDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:27.229730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081332
observed b36512c83e922500b664029a658c2d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.209937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081332/manifest.json
observed 0155904fa2aeb05082e2394e10d51253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.190396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081332/publication.md
observed 4e5f5692334939a327cdb14784a2239f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.172185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081332/publication.txt
observed 0cb11917c55864ef86515ca780826c09...
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.