OpenTechnical

OT-2026-000009426

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000009426) never changes.

Identity and time

Publication numberOT-2026-000009426 · never reused
Internal UUID01a0ae6b-7562-74b1-a540-32ac9bf2f144 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009426
StatusPUBLIC

Content hashes

Canonical text99ecfce387752de34bf0562ed2f16ec3763bced98db992ff63e44ad2b2f5c147
Markdownc09c32f790892fdd6605f0f6722ca2053624f8236014b3a038d81f9df344347f
PDF
Publication page427a9932e847a1843515ba66afeb48bf60b169828cd2b9ce6be3a2f911658357
Manifest7fb4cd3b2e12276dcb0b0ccc2ffb18136b1836d370fb5ec0405b45a93039c75d

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
Signatureakw+TCDqQdA2kK4DjAASMrY6ICRFK/UgMM8bUOMUYO5vtINi2NpoojuBwRQu5PRFOSAfR4T6yYwFsOsUcp7ODQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:42.827439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009426
observed 427a9932e847a1843515ba66afeb48bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.809192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009426/manifest.json
observed 7fb4cd3b2e12276dcb0b0ccc2ffb1813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.788676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009426/publication.md
observed c09c32f790892fdd6605f0f6722ca205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.767144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009426/publication.txt
observed 99ecfce387752de34bf0562ed2f16ec3...
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.