OpenTechnical

OT-2026-000079872

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000079872) never changes.

Identity and time

Publication numberOT-2026-000079872 · never reused
Internal UUID01a0ae96-4376-760c-aca7-7d11d41b5721 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079872
StatusPUBLIC

Content hashes

Canonical text804c1902b6e362cf4a6d0977cf3a0dfb0123c5e2f6e363a73fa2029ed592b69b
Markdown3fcddfbf81c0e843b10deea1fef5fe5d36da0daae044d28e4a945ee1f7272b5f
PDF
Publication pagee5473866e678f4303a77d1429cfce378cb48761794f526c922c23de3e202f774
Manifest567141c63db34129202b5920ef7488534bc6729643baa5d48cad25b91a7a5340

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
Signature4thjSxFaRfW2m+5Pnaj6zPPm8fCBzCspFfMwWy2+S1KSsxi/I6XDS8M+jQFI34uHP3RaqVi/6T8Hbov/Hc+wCg==
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

2026-09-17T10:03:45.812209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079872
observed e5473866e678f4303a77d1429cfce378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.793792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079872/manifest.json
observed 567141c63db34129202b5920ef748853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.774896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079872/publication.md
observed 3fcddfbf81c0e843b10deea1fef5fe5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.757511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079872/publication.txt
observed 804c1902b6e362cf4a6d0977cf3a0dfb...
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.