OpenTechnical

OT-2026-000073545

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000073545) never changes.

Identity and time

Publication numberOT-2026-000073545 · never reused
Internal UUID01a0ae92-efb9-760c-a1c8-78981c36050c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073545
StatusPUBLIC

Content hashes

Canonical texta151e5d2ea53349188bfbc22bce5d3d5687d49e5bb1459cfd4ff1f3305bc2332
Markdown844f649f9495dbeb22299758c733e34fb82e83a4b09a261a14748599f13e9cc4
PDF
Publication page66c6a23459284535bc6fcbe785ea8d73cc0c708720e75eec4aaa30e0049667a6
Manifestf6b91c734917557819a6650552630ca792bbea2c103e9abedae5f6c38974ffb4

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
SignaturelwvDHUx1x/rF0rOKGrWjd2hPeBpZuyeVwajXF9PY9GLFfNvXeKGewAbWuOrGynvkziXe72GiCaE7UdKhqzQTDQ==
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

2026-09-17T10:21:43.092773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073545
observed 66c6a23459284535bc6fcbe785ea8d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.075111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073545/manifest.json
observed f6b91c734917557819a6650552630ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.058707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073545/publication.md
observed 844f649f9495dbeb22299758c733e34f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.041138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073545/publication.txt
observed a151e5d2ea53349188bfbc22bce5d3d5...
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.