OpenTechnical

OT-2026-000031337

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off 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-2026-000031337) never changes.

Identity and time

Publication numberOT-2026-000031337 · never reused
Internal UUID01a0ae74-87ac-7171-8836-40e84b90698e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031337
StatusPUBLIC

Content hashes

Canonical textb47e4d8bb15973e39876a600bc9c7866eb9a52d9c5279395097f0743297a12cd
Markdown664d32909f114114023354f6065758e35e2db5c69da5451e8a51749288474407
PDF
Publication pagead08f4b59ca5cdb6af20f08e0e4e59aa90ee9a6db9b4054159b5ec6e3c80469d
Manifest4a86ca7fd148368edf248ae2fa7b049253844762e39f7e098f71be24984d9b9f

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
SignatureBZgC15AuOm8Z+cZDPSmn6FjaLFKNntVW0iLo0Ag46mzNrSc6hKEDU9DnvsDhrNWfBD1ND645WGprgQIbDifPDQ==
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

2026-09-17T11:36:01.940357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031337
observed ad08f4b59ca5cdb6af20f08e0e4e59aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.921051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031337/manifest.json
observed 4a86ca7fd148368edf248ae2fa7b0492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.902329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031337/publication.md
observed 664d32909f114114023354f6065758e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.883504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031337/publication.txt
observed b47e4d8bb15973e39876a600bc9c7866...
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.