OpenTechnical

OT-2026-000030939

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pulsed blow-off 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-2026-000030939) never changes.

Identity and time

Publication numberOT-2026-000030939 · never reused
Internal UUID01a0ae74-3fb6-73d5-86f3-3cfeed1b1900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030939
StatusPUBLIC

Content hashes

Canonical texte652b85ab458e8c04e94fb1d00f27754dd1aeb7c894c517384eb6fbb79cf865d
Markdownd701c815cb6c25e75ae742cfd2a384bf3296fc28db391970a6c52267c32a02ef
PDF
Publication page59373ad2635c950bb37caf9a6005aea8a2faf01c4438e7006bab46b8ccde6c7c
Manifest0b15fdb80ecc1066f57bd12a8920039ce94415dc7b2b6ab85c21840e21887711

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
SignatureP5TNobyykW3wtAAQJPtekOp8VCHs6EozAcHmJzWiDcGp82fIjf9jnPm22VNdrvNoGG6+aNVuUO5bi0QaXMs8DA==
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

2026-09-17T11:36:56.179171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030939
observed 59373ad2635c950bb37caf9a6005aea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.161194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030939/manifest.json
observed 0b15fdb80ecc1066f57bd12a8920039c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.143514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030939/publication.md
observed d701c815cb6c25e75ae742cfd2a384bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.126058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030939/publication.txt
observed e652b85ab458e8c04e94fb1d00f27754...
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.