OpenTechnical

OT-2026-000081692

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000081692) never changes.

Identity and time

Publication numberOT-2026-000081692 · never reused
Internal UUID01a0ae97-0f73-71eb-ade9-82bfe01ea28f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081692
StatusPUBLIC

Content hashes

Canonical text12d4663fd89503b2f2755551bcf819b7a67be4f25d47decb6d987a1baab43fe4
Markdownbe4767739d582cb9d668158dd3e57b8c139c376308c6a9f80ff5b68caf551924
PDF
Publication page982dcf422f12598be6ab42a5124056fcff9107d06c2a277226c6e7a051f5f3cc
Manifest16567f3bfbf382934b132eade909c287cd6ba734ca14d20c8af9210bbb2a102c

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
SignatureObSdfKUnRabj7D7GyL/Zs9i4eRGltiTOX3Z88a4vPZ2LVBM1a0uF5KaUYsVGbCgDP9wg2LDxYYHkfh+Rl6A9BQ==
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

2026-09-17T09:59:45.473148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081692
observed 982dcf422f12598be6ab42a5124056fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.455006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081692/manifest.json
observed 16567f3bfbf382934b132eade909c287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.435701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081692/publication.md
observed be4767739d582cb9d668158dd3e57b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.416420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081692/publication.txt
observed 12d4663fd89503b2f2755551bcf819b7...
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.