OpenTechnical

OT-2026-000009930

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000009930) never changes.

Identity and time

Publication numberOT-2026-000009930 · never reused
Internal UUID01a0ae6b-cb79-759d-8a41-a3ebfb1853d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009930
StatusPUBLIC

Content hashes

Canonical textbfe5d51f05044d49b50bc292605beed1843092a9da0d8c4882b021344ba64546
Markdown39c20f16255ee3f6f5815c01e3a3d046490b819aaba13932865066b0cae7d38c
PDF
Publication page202c410ba7ce7eabbadb6a79e8cd8803c5d38feeaf55683fd56051910eefb8b1
Manifestc25993b9d654e71aa33cd41e680ab684fa875e0e3b8dea5aa9e083f6c0b41715

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
Signatureprw4googY83jx03iBvaLcABtCTRJWA/c2Gq9l3XoQcrDCjAys9S5qtqF9gaGq1NnuD8gKWdgLhMc7LSPuKU9CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:57.120523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009930
observed 202c410ba7ce7eabbadb6a79e8cd8803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:57.102331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009930/manifest.json
observed c25993b9d654e71aa33cd41e680ab684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:57.084011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009930/publication.md
observed 39c20f16255ee3f6f5815c01e3a3d046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:57.064860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009930/publication.txt
observed bfe5d51f05044d49b50bc292605beed1...
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.