OpenTechnical

OT-2026-000060426

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000060426) never changes.

Identity and time

Publication numberOT-2026-000060426 · never reused
Internal UUID01a0ae8a-b7cb-7d35-b031-d820983e1154 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060426
StatusPUBLIC

Content hashes

Canonical text17c8395ef4a0cac841c207668fc03dba355e1c9c56ad3cecdaa1f52b9ca1f136
Markdownfbff6340a5d6a480dcea5a59de1777c5cbd951d00fb1343398a786cc9820bb7b
PDF
Publication pagec631b742ca3c00f116535ba5f227d21b3d5184abbe19957cdd3a2e832c37511d
Manifestbcc0992a07b543e9b6319d504bece088edce90f19a208b332503a291020cbd9a

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
SignatureSKtNhmIbr+h0f3j7J7vbr1ij3TSCsD9SpORPjPMj8SxZFxLek/upPpGuMsQYe2ZKmq+v8mrj5CtWHeTsmrZPBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:54.080312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060426
observed c631b742ca3c00f116535ba5f227d21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.061988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060426/manifest.json
observed bcc0992a07b543e9b6319d504bece088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.043971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060426/publication.md
observed fbff6340a5d6a480dcea5a59de1777c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.026095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060426/publication.txt
observed 17c8395ef4a0cac841c207668fc03dba...
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.