OpenTechnical

OT-2026-000053888

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000053888) never changes.

Identity and time

Publication numberOT-2026-000053888 · never reused
Internal UUID01a0ae85-735e-769f-aac0-49b0fe8f997d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053888
StatusPUBLIC

Content hashes

Canonical text93c6d4ad1e5958f490515b669b4f4e9392212106631ecc1443ea485483d8d774
Markdown5995f350363890bbfce49cd70523137da0733912a630d7a7ed5d494f4edca6f9
PDF
Publication page7da4aa55ca47e5853bb734255a17012c5bef8ee3387c127d094aca4c02405315
Manifest6e55e47e937360a8fc35358d4ea5458dbe73315cc09e3810b5a2f83d763c483d

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
Signaturee5vsVfnkD7U/vDNJTLSGaWbaGnQcNL0TPiR1lWygSDjaLXS9soGGPQbHBywkNyBaRMCvJBNQtdyxWdLbGHWcBQ==
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

2026-09-17T08:40:43.520230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053888
observed 7da4aa55ca47e5853bb734255a17012c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:43.496066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053888/manifest.json
observed 6e55e47e937360a8fc35358d4ea5458d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:43.477526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053888/publication.md
observed 5995f350363890bbfce49cd70523137d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:43.334535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053888/publication.txt
observed 93c6d4ad1e5958f490515b669b4f4e93...
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.