OpenTechnical

OT-2026-000081958

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-2026-000081958) never changes.

Identity and time

Publication numberOT-2026-000081958 · never reused
Internal UUID01a0ae97-0f77-7edd-b351-11ef85ee96ba · 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-2026-000081958
StatusPUBLIC

Content hashes

Canonical text919f640f4d91eef8a73b29910244c681d9d9ca1d28ee761590d3f9c500079416
Markdown3dedf5d00f4eaf3a2994f4eb106ee26a787bf622ad041203541698cf5e9daece
PDF
Publication pageb3166a9628db0e3a617a921c6ba51334a751f693e33cd8949221207589e99a11
Manifest217d4b0bae360ef2bd84e1e634ae92036961be2833849b5a2fde6ef25a7c3de4

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
SignaturetiMrBUoWn0KhJ9y0V/7AKIoeySKgk7iQtAGqodTt/1H45JgCWjER9cBfG0wKWLmiUNpjhlVS1si/Nhq3t3xxBA==
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

2026-09-17T10:01:05.673894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081958
observed b3166a9628db0e3a617a921c6ba51334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.656764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081958/manifest.json
observed 217d4b0bae360ef2bd84e1e634ae9203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.633749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081958/publication.md
observed 3dedf5d00f4eaf3a2994f4eb106ee26a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.611706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081958/publication.txt
observed 919f640f4d91eef8a73b29910244c681...
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.