OpenTechnical

OT-2026-000008616

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000008616) never changes.

Identity and time

Publication numberOT-2026-000008616 · never reused
Internal UUID01a0ae6a-e46b-7468-936b-6652e40187e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008616
StatusPUBLIC

Content hashes

Canonical textf152ab18c3d981f00eef1a337f9e6b5f288c21714090f6720968ebfbae16624e
Markdown96965dd22623b91c6455ba4c4a248d52f23193ababaccfc4fc6a77b848023bfd
PDF
Publication page9eeb3ff5546d2c9a3396b4cdabb4b425a0166e512e62965c8a6568e50665eee5
Manifest06ba60c272ee93bf0d319d3c8758ea262f532e6c50a3be2ecae1b6a2c7bbbbca

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
SignatureLAm6Naq6ocD52cmsZitp9+aGBE0RCj9mMwFSrOhtgrZsQ3puVRQfa0L9iEU/YFPzDOnXsPmhIa/gIn6t6Wh7Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:34.528251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008616
observed 9eeb3ff5546d2c9a3396b4cdabb4b425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.510774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008616/manifest.json
observed 06ba60c272ee93bf0d319d3c8758ea26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.491956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008616/publication.md
observed 96965dd22623b91c6455ba4c4a248d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.473912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008616/publication.txt
observed f152ab18c3d981f00eef1a337f9e6b5f...
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.