OpenTechnical

OT-2026-000005286

Publication integrity record

Porous face vacuum gripper, ejector fed, pressure verified at each zone

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-2026-000005286) never changes.

Identity and time

Publication numberOT-2026-000005286 · never reused
Internal UUID01a0a933-ed5c-7d9c-922d-d993ba844112 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:52:27.744041Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005286
StatusPUBLIC

Content hashes

Canonical textb139f3b990eb0bab12f486d933a1765f4fd8a892e491d837661a834f2d1b160f
Markdownb2280dc2acee5cd060e40b7892caf0fd5c1e89129e654d15762e403443fe7b8d
PDF
Publication page72d3bb173e49f4ac8478e0736d04cb08fc5c694ced9948fa50cc2158a28f913d
Manifest59d19af880c78c3a2f4bfba56eb0902cff22c66673a8d3daa3abf44b3b8e96a8

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
SignatureU9yuqSrVfHJ0gmnuerD8kQhE16lx+FD0qFv6/hgLzPEcWuF4fp6z21XuWCVVZVlqE19+uJYw1Pn5Z8pAnER6Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:26.697440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005286
observed 72d3bb173e49f4ac8478e0736d04cb08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.683715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005286/manifest.json
observed 59d19af880c78c3a2f4bfba56eb0902c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.670763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005286/publication.md
observed b2280dc2acee5cd060e40b7892caf0fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.657848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005286/publication.txt
observed b139f3b990eb0bab12f486d933a1765f...
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.