OpenTechnical

OT-2026-000038078

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000038078) never changes.

Identity and time

Publication numberOT-2026-000038078 · never reused
Internal UUID01a0ae77-f88b-79c2-9bb0-0209cb781cde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038078
StatusPUBLIC

Content hashes

Canonical textd9ee601663de80a78fa8be896d8b48c607435bd2e60ccfc82e37594a50177401
Markdownd06153501a2b8d403d6d7fa8682ebbcdb0930f798e371b4b22fe23946a26047a
PDF
Publication page330fadf70c68242a7cd64138d52209be6d2ba63bbce89011433e4f4e1a0183d6
Manifestafea63a431f766c823299805b29c88fe03af5d13a704c675e514463018565479

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
Signature3l0PozU0VxZ6XsEc3vpUR+0tKFecRBRrGE+QW7LGGBXQNg4Dk1+4UJfhHzgJE/xv0HIuwL0a85NoDP4inZYtDg==
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

2026-09-17T11:23:24.362565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038078
observed 330fadf70c68242a7cd64138d52209be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:24.345633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038078/manifest.json
observed afea63a431f766c823299805b29c88fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:24.326788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038078/publication.md
observed d06153501a2b8d403d6d7fa8682ebbcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:24.309471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038078/publication.txt
observed d9ee601663de80a78fa8be896d8b48c6...
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.