OpenTechnical

OT-2026-000012164

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off before 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-2026-000012164) never changes.

Identity and time

Publication numberOT-2026-000012164 · never reused
Internal UUID01a0ae6d-39f4-7bb6-9c94-3b1175cc01a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012164
StatusPUBLIC

Content hashes

Canonical text3be24be1270559166a229526d15f11a0702566b58f0a45e6a97bb2fb7e26b923
Markdown05da31418e0009ab9a175f4492b162636bee86fde617a220efe987fa80c24c5c
PDF
Publication pagea795f503eadf53c3b4e036eb6a28c998e74318fd826871f3dc29bcda198b7122
Manifest9f9050c8065d04368f1e2355611ad542636e155ca994d20a398208007eb7c145

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
SignaturebRmO7TrDAjB47EXq2iiZJnrmzy16pDqKACgB5DWMD8eR3jdYQJqXJpV2TAP1hBPwLc2dDqNK5JuyV6DlHWDmBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:03.772135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012164
observed a795f503eadf53c3b4e036eb6a28c998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.753738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012164/manifest.json
observed 9f9050c8065d04368f1e2355611ad542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.734814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012164/publication.md
observed 05da31418e0009ab9a175f4492b16263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.716348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012164/publication.txt
observed 3be24be1270559166a229526d15f11a0...
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.