OpenTechnical

OT-2026-000007064

Publication integrity record

Vacuum cup gripper, per zone isolation, four outlet manifold, pump fed, pressure verified, polyurethane cups

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-2026-000007064) never changes.

Identity and time

Publication numberOT-2026-000007064 · never reused
Internal UUID01a0a971-53dc-7008-be4b-222b6c428123 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:31.678972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007064
StatusPUBLIC

Content hashes

Canonical text9da2968e3018972f11e8c6f2208580da578f69498fb064275698ac8c48e758ff
Markdown7bef46109194a6deb3465ac093d4ef8bfe6f264e7a33744fadf9a8e125566a86
PDF
Publication page0aef433056cfbd72268970057d68342deccb1997f05d20122740c482ccb0345b
Manifestd7783a969d3362346de9f332b4c26f9783dce8d8fe0890b4b1fadacb5f4b2cf2

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
SignatureSILtQtUZRfRr+uWNNfemhjR9NtD4saG7F9oPiOFfOhExeFxqlmglzLqzQ8KEjgl/s3XRiL/SMajg+Z2/ujLKAw==
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

2026-09-16T09:00:05.935841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007064
observed 0aef433056cfbd72268970057d68342d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.919536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007064/manifest.json
observed d7783a969d3362346de9f332b4c26f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.905834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007064/publication.md
observed 7bef46109194a6deb3465ac093d4ef8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.891906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007064/publication.txt
observed 9da2968e3018972f11e8c6f2208580da...
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.