OpenTechnical

OT-2026-000013849

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before set-down

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-2026-000013849) never changes.

Identity and time

Publication numberOT-2026-000013849 · never reused
Internal UUID01a0ae6d-8de9-742f-8835-f3b36995f0c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013849
StatusPUBLIC

Content hashes

Canonical textfdb38e54543f677778f986358003c3477c11a050e46e1db349760d8a668a8219
Markdownf5d68c4555caa0b5de6b686de5644b845a2fd4e8e13e50b55f38d64e1bef35a1
PDF
Publication page354233c86ed0d796304010c45986b4beb349c1a9a7e71fc6b954e6e3d7eff7ae
Manifest25f5deea82fa3bd05328b6f49f1d77d929a4c75ef57ed95fb5ec8943bfa300c5

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
SignatureY4wD+wqxcprWK3kjNeX26T4OAOl73mBWypga83MUm0y4pq96MfcCRb5ir8c4tSZNSrzRiTDc5BsZ/88+vjp8Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:08:57.429911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013849
observed 354233c86ed0d796304010c45986b4be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.410708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013849/manifest.json
observed 25f5deea82fa3bd05328b6f49f1d77d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.393455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013849/publication.md
observed f5d68c4555caa0b5de6b686de5644b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.374690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013849/publication.txt
observed fdb38e54543f677778f986358003c347...
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.