OpenTechnical

OT-2026-000081162

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000081162) never changes.

Identity and time

Publication numberOT-2026-000081162 · never reused
Internal UUID01a0ae96-b977-7be7-8c60-9212d178ed93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081162
StatusPUBLIC

Content hashes

Canonical text7e0a0629e22591157d8b4f1b764406a58e52ce7a630b0f9d03a963efc043065f
Markdowne2537341ceab7cf740ad60c21a1582b85a78d576525564564625f7f89b080ba8
PDF
Publication page5f4dc7f39107a5355bc5dbd087edb4cf8bf34c9d249291119f7c739a1a56dcb1
Manifestc52e45fd6691727f493964b8f4dd2c458d8c11464e64d138dad264d3e0c2db1b

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
SignatureZe9J299XkA7aqmx3gfvNJZfsm5+cz656/LYc+TGYwqf9cDesF0sAyyU48bs5WbP36sImbh0To/9s9lziR9J/CQ==
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

2026-09-17T10:02:33.345274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081162
observed 5f4dc7f39107a5355bc5dbd087edb4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.329016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081162/manifest.json
observed c52e45fd6691727f493964b8f4dd2c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.311844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081162/publication.md
observed e2537341ceab7cf740ad60c21a1582b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.294361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081162/publication.txt
observed 7e0a0629e22591157d8b4f1b764406a5...
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.