OpenTechnical

OT-2026-000018287

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000018287) never changes.

Identity and time

Publication numberOT-2026-000018287 · never reused
Internal UUID01a0ae6e-b489-7e1c-b48d-de2eb1db7990 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018287
StatusPUBLIC

Content hashes

Canonical textbf7b9856f158a1d72144181332270ffda4bbc2579116d684a28e26859d1dc988
Markdown5e65d4569fb91b4fe7bc736a3087be686b369fc9ba93b84ef196e9503b146cc2
PDF
Publication page8b96a2982e8ca9af0f7b1e46f73e6412692416f3d9e979b7506063afef56f4cc
Manifest826bd84607d51ba37bbaf125e8315c78f3fc41b97d0c36d12e6745bcab86193b

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
Signature7Eb99PPr0N92GXpsmhkMnV/ulB/BMa59eTYyCJZv7Z/CpfcKgKOfKxvp86So/00nznDvgq1jYhe/h5eXvlrQCA==
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

2026-09-17T12:00:08.922896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018287
observed 8b96a2982e8ca9af0f7b1e46f73e6412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.900814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018287/manifest.json
observed 826bd84607d51ba37bbaf125e8315c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.880203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018287/publication.md
observed 5e65d4569fb91b4fe7bc736a3087be68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.852977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018287/publication.txt
observed bf7b9856f158a1d72144181332270ffd...
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.