OpenTechnical

OT-2026-000080644

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000080644) never changes.

Identity and time

Publication numberOT-2026-000080644 · never reused
Internal UUID01a0ae96-7e79-79b8-9295-abcce819cf71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080644
StatusPUBLIC

Content hashes

Canonical text3511e6d9d84179d3f57177c01b5b46f13ec91d43c8dc496a29de7cfe9ee6e7e3
Markdown978401e62f04fa7c91c82d9dc613e055a777d6015fb5bb9ef6493677c65d9be4
PDF
Publication page1ef0dc1852ffe67bdc9c8adec9a51cdfe354adb991a2de153a9f2b77103b6e58
Manifest4ebba917da0316de2159a7441b793046e87d6df88c40e1f72bed1fade1d6e2bf

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
Signaturegy3Ei/blPFxthaNgy/d9oDlrufgUJ+pKIJJawRakFyhZ22nGlbBoEofH83iDAQGlpJHVozdsfw88xz9skknfDA==
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

2026-09-17T10:03:18.566477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080644
observed 1ef0dc1852ffe67bdc9c8adec9a51cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.539788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080644/manifest.json
observed 4ebba917da0316de2159a7441b793046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.514141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080644/publication.md
observed 978401e62f04fa7c91c82d9dc613e055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.491685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080644/publication.txt
observed 3511e6d9d84179d3f57177c01b5b46f1...
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.