OpenTechnical

OT-2026-000084669

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three 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-2026-000084669) never changes.

Identity and time

Publication numberOT-2026-000084669 · never reused
Internal UUID01a0ae98-e25c-7c5f-a2f5-018aa61c61a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084669
StatusPUBLIC

Content hashes

Canonical text427f6c13bcb5bf590e122994161c1845235a85da6755fcd251859be66042095e
Markdownbbe0e0e11b1d7615494328a0ecc9f071f44ce8714d0c9d055cb2a1b28cbcda94
PDF
Publication page21b03bc98a1c7312fec2d532a7bc44c62c9dc3937e12cf681ee459075e3588ed
Manifest1f1b1b315d890056832c9889fef5af234e0aaa1c3a6356c25ecc3d5f439fe626

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
SignatureJMPY6gb7TcHH8D6sWRA/esTCFM7xlE5xJCZFlg4chLkR/iK80EXaySRX84oxreTBRXgp8a/Od7F5+le+8EHyDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:35.602489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084669
observed 21b03bc98a1c7312fec2d532a7bc44c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:35.585727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084669/manifest.json
observed 1f1b1b315d890056832c9889fef5af23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:35.566487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084669/publication.md
observed bbe0e0e11b1d7615494328a0ecc9f071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:35.549593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084669/publication.txt
observed 427f6c13bcb5bf590e122994161c1845...
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.