OpenTechnical

OT-2026-000088964

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000088964) never changes.

Identity and time

Publication numberOT-2026-000088964 · never reused
Internal UUID01a0ae9b-8f11-7431-9c07-d78aa1a50c41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088964
StatusPUBLIC

Content hashes

Canonical text8a7e99aee1cc9e3c8305437920b41852f83ec668fa2322dc1d26dc807427fb24
Markdown24b9d4ed5979385ea98c6685fa650840bb6d60cf386d07fafd307ca3354a4600
PDF
Publication page9f28dfa47d695029396b2954d166c7c93f69052091e851717a1a0903e4ac961c
Manifest99e3ef0dc335d184b1b67db3b3ba3c30eaf49641bff593ab47d23e4647e9319f

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
Signaturej0ETVdEJQumNbEqaJ4NjZ2bgsD5R8E1+c9G34fQ0BTRpBCxIjEXMlrqprb2wlQHZKwo4rYpX7jd9U165Js0EBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:22.699135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088964
observed 9f28dfa47d695029396b2954d166c7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.681350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088964/manifest.json
observed 99e3ef0dc335d184b1b67db3b3ba3c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.664752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088964/publication.md
observed 24b9d4ed5979385ea98c6685fa650840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.647684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088964/publication.txt
observed 8a7e99aee1cc9e3c8305437920b41852...
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.