OpenTechnical

OT-2026-000054416

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000054416) never changes.

Identity and time

Publication numberOT-2026-000054416 · never reused
Internal UUID01a0ae86-1282-77ea-81cb-efb135bb7e9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054416
StatusPUBLIC

Content hashes

Canonical textbd130009c927ec9b42a5b7e3edaaf719f27322541700ad18249b2b2da98cb70c
Markdown71ab3b8d4e7fa8a45d30422b819f9284a63989d5ef850da41ddf7c86727a0d30
PDF
Publication page44e2c7053711a9d642878e19821c9ad1dce6487689b2a32030374c3cc9536aee
Manifest29659c5b2c384b31cc0d0a6aa9cb3d0bc5fae209e760c9cbf2030245896bfcde

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
Signature0gj63YNM7Z3D6wssBWJQvVqak1PlJ01v/+RQ2+dpIYvf+zojdyhOmnN21mB6OqV9jJQN6VhOBpBbSwnlefCwBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:23.872442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054416
observed 44e2c7053711a9d642878e19821c9ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.854404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054416/manifest.json
observed 29659c5b2c384b31cc0d0a6aa9cb3d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.837928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054416/publication.md
observed 71ab3b8d4e7fa8a45d30422b819f9284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.820869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054416/publication.txt
observed bd130009c927ec9b42a5b7e3edaaf719...
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.