OpenTechnical

OT-2026-000077260

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000077260) never changes.

Identity and time

Publication numberOT-2026-000077260 · never reused
Internal UUID01a0ae94-f508-7451-aaf3-ad997efdbc18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077260
StatusPUBLIC

Content hashes

Canonical text3534c2efb00ea9240cad3f4d3168db70605c2bf6832af97c8918ca64686e4556
Markdown92dcfe73d58237d86dd0dbb3cc0b1f1c42c4d5dd70559d720242709f645d2742
PDF
Publication pagea6f75958878b9d8203cfaa5b52945a1496233ffc7e4d67510bdc3609701b1dba
Manifestb72678f58d6c3d19b4f8d5e3600b6dfe15f2feff94dceac68f3a512c4fc1bf6b

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
SignatureYF9kDoJI7OliVe0n1MRomOeoiNqonj8+gqLeIAIuvG2dmOKftRhNfHLuZM4IslQlZnvmbPg+cE2gYWL1wF71CQ==
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

2026-09-17T10:08:53.151520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077260
observed a6f75958878b9d8203cfaa5b52945a14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:53.131189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077260/manifest.json
observed b72678f58d6c3d19b4f8d5e3600b6dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:53.012242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077260/publication.md
observed 92dcfe73d58237d86dd0dbb3cc0b1f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.991987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077260/publication.txt
observed 3534c2efb00ea9240cad3f4d3168db70...
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.