OpenTechnical

OT-2026-000067337

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000067337) never changes.

Identity and time

Publication numberOT-2026-000067337 · never reused
Internal UUID01a0ae8f-6bd7-7a17-a6b5-50d1ac885089 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067337
StatusPUBLIC

Content hashes

Canonical textcb40c43e2ff00d0f6eaaae8ba631b32b46374d4e999803badf2f7fac1d12316f
Markdown095ffaa67d706195eee68466542cec962bdc786c88d09855edaa8dcfdcb8859c
PDF
Publication page70b9586747c179097f927f334be6cd13327108b2df09ed02640f4d251d5ba014
Manifestffcc9b7e6c51a41392e2e10f107210a587d612576107a26a4b6f9f254a6cbe29

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
SignaturewJrFmdEUNynLHC9FeOo8AWgnB0KlD6ONCaLB/vw4OgFctcheRxJ51ZZevzL7ka7KCoNJ7CQ6ri6VqJrneiRACA==
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

2026-09-17T10:31:31.118455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067337
observed 70b9586747c179097f927f334be6cd13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.101565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067337/manifest.json
observed ffcc9b7e6c51a41392e2e10f107210a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.083559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067337/publication.md
observed 095ffaa67d706195eee68466542cec96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.065373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067337/publication.txt
observed cb40c43e2ff00d0f6eaaae8ba631b32b...
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.