OpenTechnical

OT-2026-000054161

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000054161) never changes.

Identity and time

Publication numberOT-2026-000054161 · never reused
Internal UUID01a0ae85-b3a8-7830-a896-4db4ba3d31c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054161
StatusPUBLIC

Content hashes

Canonical text6aeae83030dc184ce689fce70b995e01186603c72dd78a513301aa60f61df53e
Markdown396932ff4c53ae75593af1c6342c5879aaae3b174d7c96ca2c17b909b882ffa1
PDF
Publication pagebecf9bc95f1addad30e5b17f8523d1d7d360d0efd0ea10324127444aa0a3b622
Manifest3672d0fa2d62818798bf79cb6cac53387c9b21544c179fd71a455a842a5723e3

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
SignatureAaVUiHGcHYkQPUlSX5HC/R9erQZPgqN0YPcRoHEdr/U/lHUiiqF0QvYBJ1EPbab8kmpNoL11s6f1ACaFjDCqAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:36.436016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054161
observed becf9bc95f1addad30e5b17f8523d1d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:36.418951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054161/manifest.json
observed 3672d0fa2d62818798bf79cb6cac5338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:36.401341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054161/publication.md
observed 396932ff4c53ae75593af1c6342c5879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:36.383317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054161/publication.txt
observed 6aeae83030dc184ce689fce70b995e01...
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.