OpenTechnical

OT-2026-000075308

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075308) never changes.

Identity and time

Publication numberOT-2026-000075308 · never reused
Internal UUID01a0ae93-f200-72cd-bc70-33bd6c1b628b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075308
StatusPUBLIC

Content hashes

Canonical text939cba227e4d639d20283568f02efcb7a0368414680813cc7a06afca85abff1a
Markdownf797a00dadad8f2d0f3bd339002555a335f17e1c1e598fb7fb932b4c1ab5cdf9
PDF
Publication pagea63a0113c2cf9f1b2318d0c5293be15920cbc2147f202c269cea2cf23fdfde19
Manifestd7d5be1b9862e70110c7e3b34541e6a42a9ca7343d0f6ca819e6754c24ded09a

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
SignatureEgjSJVNbz9XO/hzI7DBgEQqK67veNuOURTKGa1ys8+JtazASDiKERDuV64mIGGUj+0ZIztG0/xcOqExGxqLgBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:07.295388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075308
observed a63a0113c2cf9f1b2318d0c5293be159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:07.277311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075308/manifest.json
observed d7d5be1b9862e70110c7e3b34541e6a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:07.258562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075308/publication.md
observed f797a00dadad8f2d0f3bd339002555a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:07.238607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075308/publication.txt
observed 939cba227e4d639d20283568f02efcb7...
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.