OpenTechnical

OT-2026-000076983

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000076983) never changes.

Identity and time

Publication numberOT-2026-000076983 · never reused
Internal UUID01a0ae94-b071-7d57-8dd3-4a303a36d71d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076983
StatusPUBLIC

Content hashes

Canonical text96c60054d9e7eed65b586fdf66ff523161d44a18aea3d9736dbfd01c7a75a88e
Markdown632d4c6a7c67db2bcec013c87b320eaaa6c6d35c792db5f9795b6d28cde53494
PDF
Publication page328399898b26255bd6a81ffac98ccef4f57400ab9b11e693927427af8d0a9632
Manifest9bd8d282338bafc8433fdec9a91a0e3db77fac05532f22863348263b528bd0af

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
SignatureaVz0plFE9epd9qmEnF3gT9XxmR516BMr0LgTzlUbcTpvw32oqpyqoTW2HlBVkA6E5BD7NkF2qusg6cTwmmZiAg==
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

2026-09-17T10:10:16.759631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076983
observed 328399898b26255bd6a81ffac98ccef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.737867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076983/manifest.json
observed 9bd8d282338bafc8433fdec9a91a0e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.718166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076983/publication.md
observed 632d4c6a7c67db2bcec013c87b320eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.697643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076983/publication.txt
observed 96c60054d9e7eed65b586fdf66ff5231...
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.