OpenTechnical

OT-2026-000007235

Publication integrity record

Porous face vacuum gripper, three outlet manifold, pump fed, pressure verified, vented after set down

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-2026-000007235) never changes.

Identity and time

Publication numberOT-2026-000007235 · never reused
Internal UUID01a0a977-851e-7f0d-9aeb-05de73121a19 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:06:17.628909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007235
StatusPUBLIC

Content hashes

Canonical text7b6e4993f18970b025df96919b071dd5020d45b73fdb4bf419d15017b494a311
Markdown5d8a5c9a6c827b4e80a1477628947ee3f1efd22a332c1f4dc156442c5eb9b940
PDF
Publication page21e3772c7bf7ad09dcf65ba3c5e658e408051415f728dc48bea4af0d2fb78852
Manifest7d1079d9d73dcf525e5bb6c2a6c60e3c93f3c7f157aa826d6efc22d9dec157b5

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
Signaturehwt93XxcLCyQom1w0ulq2ItZlWXTD6Bes5gaH4uSWSAm8YqFtiO/LCtIKH4qkVS3bZxTnWNsHrMNQjmZupoQBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:13.144718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007235
observed 21e3772c7bf7ad09dcf65ba3c5e658e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:13.131386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007235/manifest.json
observed 7d1079d9d73dcf525e5bb6c2a6c60e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:12.993035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007235/publication.md
observed 5d8a5c9a6c827b4e80a1477628947ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:12.980708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007235/publication.txt
observed 7b6e4993f18970b025df96919b071dd5...
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.