OpenTechnical

OT-2026-000048145

Publication integrity record

Single cup vacuum gripper, single stage ejector, 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-2026-000048145) never changes.

Identity and time

Publication numberOT-2026-000048145 · never reused
Internal UUID01a0ae80-4de1-7f03-b78a-e87823fa6bf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048145
StatusPUBLIC

Content hashes

Canonical text04d821277e1ed1ade8e26e81703bab9d93e931707c38c0eb281e00ac1b2a9c86
Markdown8212ba07c2dab1c4c56fc8e7a49da2e4af3d37a64f557d6d0a078a824d63bf07
PDF
Publication page4a836a98bc88b6b034af41912c5135fa491f88129cdbc71cf517b27f3a39710e
Manifestfc535e355ac089e3e48125916fc2df79492990f068453c851ab53ad8b3735a15

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
Signature8nhFABaBSrBE2FDGRTyOHSSgMfKO2xZ0dQCAc978a63VWJgUUb9QjEsEq3/BVTq/qvJjJXtCv/J8+ZaC2+OmBg==
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

2026-09-17T11:04:40.155527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048145
observed 4a836a98bc88b6b034af41912c5135fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.137751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048145/manifest.json
observed fc535e355ac089e3e48125916fc2df79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.117630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048145/publication.md
observed 8212ba07c2dab1c4c56fc8e7a49da2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.098074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048145/publication.txt
observed 04d821277e1ed1ade8e26e81703bab9d...
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.