OpenTechnical

OT-2026-000056996

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off 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-2026-000056996) never changes.

Identity and time

Publication numberOT-2026-000056996 · never reused
Internal UUID01a0ae87-d5b5-722d-9b7c-0749354b5987 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056996
StatusPUBLIC

Content hashes

Canonical text7ceaf0b15a68caa3e3b589e73168eb4f2bef6643ae274301afc6a2bd72bc1451
Markdown5a13c744f6b983d5e4ef8014643a1eecb5772d14c126b9ea5d4f32e8526a45b2
PDF
Publication page46e542edb06d70cc2755a99c29e6d534b4bab46635cb0dfea475f008d84a4a8d
Manifest7380c3bed8712f854cc90ebd6a494289b28b3bf6d572ee547ad2e34c1aca1abf

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
SignatureEppf5ljst44weIDwErLUu+AhrZNz3f5pLTAwZeFRf39ZRV2y8XIrSXzQbtcPAS8hJ6CZtE6AovUoOr11pnfrDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:28.100588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056996
observed 46e542edb06d70cc2755a99c29e6d534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.081606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056996/manifest.json
observed 7380c3bed8712f854cc90ebd6a494289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.063554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056996/publication.md
observed 5a13c744f6b983d5e4ef8014643a1eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.045280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056996/publication.txt
observed 7ceaf0b15a68caa3e3b589e73168eb4f...
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.