OpenTechnical

OT-2026-000005359

Publication integrity record

Porous face vacuum gripper, per zone isolation, two stage ejector, 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-2026-000005359) never changes.

Identity and time

Publication numberOT-2026-000005359 · never reused
Internal UUID01a0a936-902c-7a4f-ae74-b7c57ce98de2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:20.495701Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005359
StatusPUBLIC

Content hashes

Canonical texta092ee4bed575f4a9a327b592c489ad0f2daa15128aae11efe22d73646ea4a94
Markdownf1a402363390b9a303d49eab8f9ee4f2d2b607ce5774d551d5d4132f5863364a
PDF
Publication pagebcb5e6b320a4fb1354df3188d904e0bc3193a7ba6deb33ced5b0eea6bf248fb8
Manifestbe50d27366e4edac61c8141622b717b71cf8531ee46eafae2432e141e2b6a28f

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
SignatureRNrYahh8rySEJGY7c60iVQnGjfSX/DkqK27/ana2HQRAK3oEBJ/Ys+BefA8XRZ7c9JX2s8UARW5bTNZJYdFwCg==
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

2026-09-16T08:00:18.643286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005359
observed bcb5e6b320a4fb1354df3188d904e0bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:18.631165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005359/manifest.json
observed be50d27366e4edac61c8141622b717b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:18.499836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005359/publication.md
observed f1a402363390b9a303d49eab8f9ee4f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:18.487899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005359/publication.txt
observed a092ee4bed575f4a9a327b592c489ad0...
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.