OpenTechnical

OT-2026-000013699

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed 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-2026-000013699) never changes.

Identity and time

Publication numberOT-2026-000013699 · never reused
Internal UUID01a0ae6d-8de8-731c-8cad-a38e95aa5a69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013699
StatusPUBLIC

Content hashes

Canonical textedb59ab0e28c8fa8aeba9a0a000265fe4f9c672febf78c5b57fd95c7a5fcb1ca
Markdown14d230b965ad37254abe5d66aafbae489ca51258ca6824d6adb35802fd9c4a82
PDF
Publication pageb2082ce96fedb260956d8c155a7721e9a590cb3771c29ac515dc9ce42661abf8
Manifestdda85f07f41ad2c6e2244bf206fb9eb272ea41f45ca4e641d15897c943a0b561

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
Signaturexyz7ppdugSo2KERTONyWY4b6TXoMoNK6Y0yCitBy0WDFhuuVLsR5H3lebZHL782m3U5ml2uiiB6+pxe/394uCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:08:39.263840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013699
observed b2082ce96fedb260956d8c155a7721e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:39.245617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013699/manifest.json
observed dda85f07f41ad2c6e2244bf206fb9eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:39.227741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013699/publication.md
observed 14d230b965ad37254abe5d66aafbae48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:39.208831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013699/publication.txt
observed edb59ab0e28c8fa8aeba9a0a000265fe...
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.