OpenTechnical

OT-2026-000015703

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed 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-2026-000015703) never changes.

Identity and time

Publication numberOT-2026-000015703 · never reused
Internal UUID01a0ae6e-0c4b-7c8a-87a7-1624c8e0f917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015703
StatusPUBLIC

Content hashes

Canonical textf6cbc2b0b2148ac8bac2d7fe63fe030d5e79073a18c018a64638043cf631e1c4
Markdown7f977cc62e0141afb9fdcc61c011f1d76e1056d8edcbf5a05d06d3d80c230b51
PDF
Publication pagef555b50e15012dd0c9a1bca254cf1ee22ca814b36bc6b7b6f80d3dff02308cdd
Manifestaf346a2e81ce6995e0ba1ede885904908932c96dc1a63802100eae8582a16672

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
SignaturedP1Pn1j8jp022Nu+pZemKa2XvxYmAxcfa0Z2b16iqMKi05B5idR7SQ3aRmi/0xkRAAT878RAELg0kQPCmphJDw==
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

2026-09-17T12:04:58.927072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015703
observed f555b50e15012dd0c9a1bca254cf1ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.909140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015703/manifest.json
observed af346a2e81ce6995e0ba1ede88590490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.893214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015703/publication.md
observed 7f977cc62e0141afb9fdcc61c011f1d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.875114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015703/publication.txt
observed f6cbc2b0b2148ac8bac2d7fe63fe030d...
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.