OpenTechnical

OT-2026-000063994

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000063994) never changes.

Identity and time

Publication numberOT-2026-000063994 · never reused
Internal UUID01a0ae8d-53bc-774b-93df-42b2fb29e0b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063994
StatusPUBLIC

Content hashes

Canonical text3de95574af50a86ad1dbae4f10a73c280a8c2b2a002c4d25045ecfe0192fdc9a
Markdowncc50c41f83e0ae27cb851e1b2c706710aa1b2235762f4cdc8e5c26dc00b4f80b
PDF
Publication page12545a8f50aef723a08d243cb57ec085f4f239d60b3ee2879d828f35a04a7630
Manifest2438919238f155d418f6aaf070096dad472eb3bdda9c410fd45c6a110e4af333

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
SignaturejX5JswiSqvFn08+yTzEhiicy4aT6G0toSQDPpemlhzu6DS2MN4pATwpX6BXRgYBrhbDEh3KoyfwxQLFkTYQcAA==
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

2026-09-17T10:37:04.083110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063994
observed 12545a8f50aef723a08d243cb57ec085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:04.063914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063994/manifest.json
observed 2438919238f155d418f6aaf070096dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:04.044131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063994/publication.md
observed cc50c41f83e0ae27cb851e1b2c706710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:04.023853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063994/publication.txt
observed 3de95574af50a86ad1dbae4f10a73c28...
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.