OpenTechnical

OT-2026-000057581

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented before 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-2026-000057581) never changes.

Identity and time

Publication numberOT-2026-000057581 · never reused
Internal UUID01a0ae88-2693-709b-9d04-4803562f8351 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057581
StatusPUBLIC

Content hashes

Canonical textcbb014e0ebf7ef1f5d80d2f3a4f7d13a775ee1c7ffbfcf321b198eb05888035d
Markdown70a9e49bf59fa4f0bdc7229fdeae4c0131f4e72a11bd05de553148b4bdc2dd8b
PDF
Publication page77090a80282eef82dfe0079576397078150d4573cb74eff94cd1e43bd0307c20
Manifest50a24344d7bfdffe5b3e95ff57236acdb9bb7647e893421adf3127ac79b46eec

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
Signature8CNmO632Dn/TzN4B/5u4ITwr1kY2RVZLTsFi7A+JhHWMBfukLINqNeh4ZVznOEbwhKcM00aOVRimCznz9ITxCA==
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...

Independent retrieval

2026-09-17T10:48:07.684191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057581
observed 77090a80282eef82dfe0079576397078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.666774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057581/manifest.json
observed 50a24344d7bfdffe5b3e95ff57236acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.647667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057581/publication.md
observed 70a9e49bf59fa4f0bdc7229fdeae4c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.608817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057581/publication.txt
observed cbb014e0ebf7ef1f5d80d2f3a4f7d13a...
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.