OpenTechnical

OT-2026-000081964

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000081964) never changes.

Identity and time

Publication numberOT-2026-000081964 · never reused
Internal UUID01a0ae97-0f77-7c97-8e3c-9dc0a88341fa · 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-2026-000081964
StatusPUBLIC

Content hashes

Canonical text44135f34c709c86edbbf3d455c04446a5782502094ab11d2ed7b82c94359672c
Markdown99068876824ce79d5e06e6dfa8629b00f3915b8328e386be6fd3cd7cac4b9e69
PDF
Publication pagedd0f28489975fdfe66410b25ab0ae59d6a313105f3d5d6a2d187c5ccbd45b6ee
Manifest7a242e413d65d6e26074afafecb8f9efceeea2b51934742712226fa0be2bc29b

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
SignatureD/8blD1r+bBHafwG7aR7Muy/0ALx1gUcO245rHwsus3egi9n9wzQwhv13+GpVh6UZezOO0oCC3Jl63XkKg+YAQ==
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

2026-09-17T10:01:06.094438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081964
observed dd0f28489975fdfe66410b25ab0ae59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.078736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081964/manifest.json
observed 7a242e413d65d6e26074afafecb8f9ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.062959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081964/publication.md
observed 99068876824ce79d5e06e6dfa8629b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.045342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081964/publication.txt
observed 44135f34c709c86edbbf3d455c04446a...
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.