OpenTechnical

OT-2026-000064920

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000064920) never changes.

Identity and time

Publication numberOT-2026-000064920 · never reused
Internal UUID01a0ae8d-debd-7a33-b0ad-13f21c451198 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064920
StatusPUBLIC

Content hashes

Canonical text69ee50448dc396b4b3664aa500d5c317fb041f910904da2853fece5d05f8b225
Markdown919b70fda6cf7f8d7c99dedb407a9fc4bb55c1950b4d5392b1179992e2667b51
PDF
Publication page214f52003713f807922784a2c46275b08bbdb552392a7f9c49acfa4abacfbbd2
Manifest61921ac592535a06d8a71e19ee2d03986ef0091a45e0b49b40443886743abd9b

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
SignatureuXulGhjjmi0P0t22/AiLFhWSGRA2BpLIiTuV+sDQmTyWKbvGjCGGCmUQ27yiU/5yGhUnaUEFcrDeEUrg+8zBDQ==
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

2026-09-17T10:35:51.275601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064920
observed 214f52003713f807922784a2c46275b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.257613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064920/manifest.json
observed 61921ac592535a06d8a71e19ee2d0398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.240420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064920/publication.md
observed 919b70fda6cf7f8d7c99dedb407a9fc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.213165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064920/publication.txt
observed 69ee50448dc396b4b3664aa500d5c317...
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.