OpenTechnical

OT-2026-000039195

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000039195) never changes.

Identity and time

Publication numberOT-2026-000039195 · never reused
Internal UUID01a0ae78-9673-7e75-9c99-d8d4cb0a547c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039195
StatusPUBLIC

Content hashes

Canonical textaa1855ecbdddb7b4e47b70d2193c3ffb3cc5802123f6e3235d753aecf2de23ba
Markdowncf2d39e563f5c95f4b2a1cfdc2044cfa703f646d5369746d4392125239192f91
PDF
Publication pageae563199787f2240df968c868fd51304bda148ed6ec77ab421d0b7273161e50f
Manifestd02bd11d76e891b335082e2ffa435742cfc043ef46a739e9c93c766aee6ade8c

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
SignatureQbI0m7NtCu0LXpqibKZUmEFXozGfOpTU8q1mBiFMYxEEAwT15DJE8ofb0BmRf7QG3qWp5sJTp6G2W/0fuIyADg==
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

2026-09-17T11:20:43.910153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039195
observed ae563199787f2240df968c868fd51304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:43.892947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039195/manifest.json
observed d02bd11d76e891b335082e2ffa435742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:43.873397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039195/publication.md
observed cf2d39e563f5c95f4b2a1cfdc2044cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:43.848113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039195/publication.txt
observed aa1855ecbdddb7b4e47b70d2193c3ffb...
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.