OpenTechnical

OT-2026-000063929

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000063929) never changes.

Identity and time

Publication numberOT-2026-000063929 · never reused
Internal UUID01a0ae8d-53bb-78c8-a519-89d4b4cd363d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063929
StatusPUBLIC

Content hashes

Canonical texta20446beb2ee951e56dd228f8375b0863e49bc395a30b9b833622b656d08e9ea
Markdown22c8d4075ef3b4f6c994176ef770aa3185a8eaef891145c6e4a00657383c3698
PDF
Publication page2c31ba254c420bb4fa2232a5e2e71588510eea255b66309837eaa3235926f085
Manifest9e1859dfd399069b5dad067d32fa09c6276436cad0cd5520251ef2be29d9b31c

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
Signature/JztMtW0OoGzfDILlKTPLCLwtAOFtt16hbv3Q+TDJJllA8VFv61Hf21QKBVL5p472Bh8otWqdedr3J8nV28GAg==
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

2026-09-17T10:36:58.969963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063929
observed 2c31ba254c420bb4fa2232a5e2e71588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.952900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063929/manifest.json
observed 9e1859dfd399069b5dad067d32fa09c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.934702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063929/publication.md
observed 22c8d4075ef3b4f6c994176ef770aa31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.917678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063929/publication.txt
observed a20446beb2ee951e56dd228f8375b086...
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.