OpenTechnical

OT-2026-000053940

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000053940) never changes.

Identity and time

Publication numberOT-2026-000053940 · never reused
Internal UUID01a0ae85-b3a6-7e54-9a0b-d1c377542f7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053940
StatusPUBLIC

Content hashes

Canonical text81d470a60e196a961c50a354f91de93b1712b04131c2a244b9821a0b8060df77
Markdown565843d754bf78d8fb16d3aff9ee9bc329490e0f7b5dfe70f44b37bce01315cb
PDF
Publication page1b3ff2d5aa623e12c30c348bfb6c43c6a9256234801ef06b971c3f90e7123d99
Manifestecb32e0565e955aa35650cff067c339e7554253b800097be46c840455be6f2c8

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
SignatureCPpnQ3aXQ0R/yW6LHL1GPH73OTTeA4UXgEdfPv9sukzhGz6VlthAVFnAELLeo1E80gKWsfJVjw1213yIVWC1Dg==
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

2026-09-17T10:54:11.257181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053940
observed 1b3ff2d5aa623e12c30c348bfb6c43c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.238713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053940/manifest.json
observed ecb32e0565e955aa35650cff067c339e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.220642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053940/publication.md
observed 565843d754bf78d8fb16d3aff9ee9bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.203811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053940/publication.txt
observed 81d470a60e196a961c50a354f91de93b...
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.