OpenTechnical

OT-2026-000005027

Publication integrity record

Porous face vacuum gripper, per zone isolation, two outlet manifold, plant vacuum fed, pressure verified

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-2026-000005027) never changes.

Identity and time

Publication numberOT-2026-000005027 · never reused
Internal UUID01a0a92b-8127-7c59-93b5-66c02b8bd5c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:15.871274Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005027
StatusPUBLIC

Content hashes

Canonical textaa4ff6c8af9190889caeb133c6510b5886607017fb5dc86e418db4953e82720b
Markdownbef7b12d91834d6c43cf90cad26ba7b034b9919dd439460ab635de54f0ccf08d
PDF
Publication page625f90651709716273b5154163a70033c6d40e8a3d972521964005f2ff063af8
Manifest7044e7875849ee816632fade4aeefd2fcdb7d3af9b10d8c8d9a45ebb7ce5d6d0

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
Signature0WcS0k92Nn89y8qqw5DHD0ZPm1AokSvELhvjvvzW4liFiAyDsgGlKLfdhlwvNIqibnum11oaJkY5WKZAfyJABg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:23.425250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005027
observed 625f90651709716273b5154163a70033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:23.411217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005027/manifest.json
observed 7044e7875849ee816632fade4aeefd2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:23.398451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005027/publication.md
observed bef7b12d91834d6c43cf90cad26ba7b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:23.385092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005027/publication.txt
observed aa4ff6c8af9190889caeb133c6510b58...
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.