OpenTechnical

OT-2026-000077936

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000077936) never changes.

Identity and time

Publication numberOT-2026-000077936 · never reused
Internal UUID01a0ae95-2ed1-7a28-bfa0-abd5bdd8fce7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077936
StatusPUBLIC

Content hashes

Canonical textd492c4cd9485e5f5652b8ec5860aa24390d69a3cbd02f3f40df6f36451c87906
Markdownda8b35b99fc759170f53fc9e0cf965a69d2cd670d6b39f6130032820d14eb0b9
PDF
Publication page544c3fe473f8d4dac29e71af3ec5895355f3f5732933c835c790d80034825e73
Manifest0c361c74dc64b58adb6ce7b3ca3403403f0d1c98a982df3fe01a603a7c0fe920

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
SignatureeBcXr5RtGeXotvsOQC0XirMWKBfPtT1WyJ/PpfVBheqo0BQjB1/i+Liem4/cTQvSTwv3P79467iW623OfNxQCA==
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

2026-09-17T12:43:06.996683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077936
observed 544c3fe473f8d4dac29e71af3ec58953...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:06.835932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077936/manifest.json
observed 0c361c74dc64b58adb6ce7b3ca340340...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:06.677711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077936/publication.md
observed da8b35b99fc759170f53fc9e0cf965a6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:06.453618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077936/publication.txt
observed d492c4cd9485e5f5652b8ec5860aa243...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.534426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077936
observed 544c3fe473f8d4dac29e71af3ec58953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.512083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077936/manifest.json
observed 0c361c74dc64b58adb6ce7b3ca340340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.489763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077936/publication.md
observed da8b35b99fc759170f53fc9e0cf965a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.468072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077936/publication.txt
observed d492c4cd9485e5f5652b8ec5860aa243...
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.