OpenTechnical

OT-2026-000081836

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000081836) never changes.

Identity and time

Publication numberOT-2026-000081836 · never reused
Internal UUID01a0ae97-0f75-7114-86ce-afbf6539d231 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081836
StatusPUBLIC

Content hashes

Canonical text78ffc7d67844394a50fabdd620f578851b638c702f92ca6aafec6ae4c4f67d1d
Markdownec8254d087f616448ba545a6f911131de7ff10df2f1c0dcd5ebf856e9f5c229d
PDF
Publication page8dc41c9b2132d1748e65bc75dc3b4b1b7c2eb27affb2d4c1550d88536588bb55
Manifest806fdf0604ca464d95a5a7e6e37081096969447e1d1c6e06552c7777602be9eb

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
Signature5z+AVwoBLzJM+t5zZKhfE/rNipEc03rJB0VG+mWhOsTAXNld2HSLyGVDxCh7WU9lefcESUbfyT4reegOsx5IAw==
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

2026-09-17T09:59:56.879326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081836
observed 8dc41c9b2132d1748e65bc75dc3b4b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.860475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081836/manifest.json
observed 806fdf0604ca464d95a5a7e6e3708109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.841475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081836/publication.md
observed ec8254d087f616448ba545a6f911131d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.822924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081836/publication.txt
observed 78ffc7d67844394a50fabdd620f57885...
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.