OpenTechnical

OT-2026-000047601

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000047601) never changes.

Identity and time

Publication numberOT-2026-000047601 · never reused
Internal UUID01a0ae7f-3e59-7836-8d5a-7cd73fd06daa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047601
StatusPUBLIC

Content hashes

Canonical text2f8ebecc47a977882c4786be2cf6a78ccafedc1da2caad86a088e3d74ecace3f
Markdown9da74440d9bce51bc01a9cf02cf93a18bce3d56e6dd9382a3130649cbd621494
PDF
Publication pageca849a67a12ed0a9c91ceb2ac82c3aa892eb2ee9b37abe985bbe71118f01aeee
Manifestcf5c64e17ea42d42ff6e3def459971a36c6b395e9c90af7e101b9cf35e60fd7c

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
Signaturev/lTVgpPGazHN68ffcZe71Giq4U18Ne6FiDRtZSnnZuCdWVbHDpTM9XGsCIHKnSSuegk74LTP9ZTqYHwggpdDw==
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

2026-09-17T11:06:44.299343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047601
observed ca849a67a12ed0a9c91ceb2ac82c3aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.282060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047601/manifest.json
observed cf5c64e17ea42d42ff6e3def459971a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.263264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047601/publication.md
observed 9da74440d9bce51bc01a9cf02cf93a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.246460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047601/publication.txt
observed 2f8ebecc47a977882c4786be2cf6a78c...
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.