OpenTechnical

OT-2026-000068170

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000068170) never changes.

Identity and time

Publication numberOT-2026-000068170 · never reused
Internal UUID01a0ae8f-c4ff-7d95-b082-40c3a6ff4222 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068170
StatusPUBLIC

Content hashes

Canonical text2719a6f8fa153858dd4bb29d3a3a974b7b03310bb34391a76f48ec392f60be7f
Markdown905548401fa38f596593ef4dda80da7f27a3d8b01c29947b7fa29c9b3649f0c8
PDF
Publication page62566e012f573c62370e486fc46b5506b676aeff13cbfe62abbd1411701f311d
Manifest629dca14af387cda94139092781cbf35329a4261f630209612ce26e4b212e650

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
Signature5MKaGlN2uh1nIkrOULRYHte8QssldvEJFmqnIKKjSY6UGklEFjDqJsy6psrkqIaD7WrDPyEBPLo0sqmYJ838DQ==
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

2026-09-17T10:30:49.551753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068170
observed 62566e012f573c62370e486fc46b5506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.534138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068170/manifest.json
observed 629dca14af387cda94139092781cbf35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.516682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068170/publication.md
observed 905548401fa38f596593ef4dda80da7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.500185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068170/publication.txt
observed 2719a6f8fa153858dd4bb29d3a3a974b...
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.