OpenTechnical

OT-2026-000009761

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line 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-2026-000009761) never changes.

Identity and time

Publication numberOT-2026-000009761 · never reused
Internal UUID01a0ae6b-7565-742b-b3ff-6a6e0844c19f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009761
StatusPUBLIC

Content hashes

Canonical text6eb1dc34b1a988a92b1f0d78090e2525c7bc97e8a3cfae689b48d8905977aaea
Markdown0cb2204e709948784e62370732c5b2e713b28eea7fb987beec76c4669c3b82d4
PDF
Publication pagea9896fc6073413625b583ebc6bd4b4d2df76cde2624ca720a66dacd03d9348ce
Manifesta575977fec11e8c70facb94be480d0d40fcdf40475f818fac3faa5412cf8feba

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
Signature3BcGfiQeF0sa+Sk34c63q0/bcrV6nmx3nW+kdVmfOEgCsg524hK/DMUaCLZbhp1NZD/4KOz/E/q93NI0fXnhCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:16.147816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009761
observed a9896fc6073413625b583ebc6bd4b4d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:16.129551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009761/manifest.json
observed a575977fec11e8c70facb94be480d0d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:16.110683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009761/publication.md
observed 0cb2204e709948784e62370732c5b2e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:16.089838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009761/publication.txt
observed 6eb1dc34b1a988a92b1f0d78090e2525...
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.