OpenTechnical

OT-2026-000081670

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000081670) never changes.

Identity and time

Publication numberOT-2026-000081670 · never reused
Internal UUID01a0ae97-0f73-7c15-ab8e-40209fb48381 · 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-2026-000081670
StatusPUBLIC

Content hashes

Canonical text0071a9fe7382ed5ca3011bb2bff04543bf58683f210fd287c0ea33a3dc5f27ec
Markdown3eb7e032018e7f52f762f8f20ae7c677cb8939defd576680cd48d8424a1ace44
PDF
Publication page6283f429c366442ae2252abbf9f7a7a48227407bc49463dc188bb30ad68ffb52
Manifeste1177cae77cefd9cd4aa5ceca9a61b5191a03295664355ee07cd1be8004df32c

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
Signature8XymIpyV1fvDV/li9vCj2NKU9e8McTXgpeDsXaF8JLzHDUJuYRkRKUvAWDAuOnUusw7h/cfyY0rTDVke1za/Cw==
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

2026-09-17T09:59:43.809534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081670
observed 6283f429c366442ae2252abbf9f7a7a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.791276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081670/manifest.json
observed e1177cae77cefd9cd4aa5ceca9a61b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.773620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081670/publication.md
observed 3eb7e032018e7f52f762f8f20ae7c677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.756981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081670/publication.txt
observed 0071a9fe7382ed5ca3011bb2bff04543...
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.