OpenTechnical

OT-2026-000044161

Publication integrity record

Two 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-2026-000044161) never changes.

Identity and time

Publication numberOT-2026-000044161 · never reused
Internal UUID01a0ae7b-d67b-7f16-87aa-4296aa925d94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044161
StatusPUBLIC

Content hashes

Canonical texta934d9410fa9e85abfa95822bc2073bfab5fc577d4f672ae271f34dbcbd508ea
Markdownd50305795df70a8fe24a8c5067f41c102e0eeaadff5ffef712686aa8b97e0469
PDF
Publication page454fda0c9d3cb7f2e0414ce28a4718a99fc1c8dae8b2eac3c6567d5d9c4a0e9e
Manifest456e63a292b7f0d5aa41b662beca3d9640eee8c9ec4fb7feac182303e06f686e

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
SignaturexVjNbSoM/Y4eKHjgKizvjbPBd/PFC5a2exZcrxh108xGU/yDAnlp0Uxyh5sCKUk0gMDH4gxm5hCtCFJ0BrLtAw==
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

2026-09-17T11:12:35.366624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044161
observed 454fda0c9d3cb7f2e0414ce28a4718a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.346707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044161/manifest.json
observed 456e63a292b7f0d5aa41b662beca3d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.321741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044161/publication.md
observed d50305795df70a8fe24a8c5067f41c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.297918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044161/publication.txt
observed a934d9410fa9e85abfa95822bc2073bf...
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.