OpenTechnical

OT-2026-000077918

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000077918) never changes.

Identity and time

Publication numberOT-2026-000077918 · never reused
Internal UUID01a0ae95-2ed1-7091-9749-f6ab5163e7a1 · 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-2026-000077918
StatusPUBLIC

Content hashes

Canonical text01a268dc69944f173c7141091ae3e3ff8de29e7a6385e8dd8ebee8e87dae3113
Markdown9f0096cfad9f9f40a86569afcd277d057e6527c65f10988c4a4db10429fe1ecb
PDF
Publication page632387f3a8cfe0b866ade6ddc0a2e09e9a4dae6edbfe5a875091c5be465251b7
Manifest2c1e348390581ba1e8f73baacd1e43f17881cf2c23ac97d0bf4d82a7d470a311

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
Signature5jnyXymIB+j9c1GmfZvSvMkZuklNvSehpnGxquXSWRmggxPIAIjbCcCFBd9c/NYV2mrtiuTba8Shbw1aKpnwDA==
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

2026-09-17T10:10:09.212765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077918
observed 632387f3a8cfe0b866ade6ddc0a2e09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:09.193704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077918/manifest.json
observed 2c1e348390581ba1e8f73baacd1e43f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:09.046488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077918/publication.md
observed 9f0096cfad9f9f40a86569afcd277d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:09.024851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077918/publication.txt
observed 01a268dc69944f173c7141091ae3e3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:11.738284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077918
observed 632387f3a8cfe0b866ade6ddc0a2e09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:11.719061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077918/manifest.json
observed 2c1e348390581ba1e8f73baacd1e43f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:11.700741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077918/publication.md
observed 9f0096cfad9f9f40a86569afcd277d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:11.681966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077918/publication.txt
observed 01a268dc69944f173c7141091ae3e3ff...
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.