OpenTechnical

OT-2026-000057675

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000057675) never changes.

Identity and time

Publication numberOT-2026-000057675 · never reused
Internal UUID01a0ae88-2695-703b-8971-2d7e1b6b5184 · 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-2026-000057675
StatusPUBLIC

Content hashes

Canonical text49cdb410a0550b864bce11f1e2d9b67ea97240ea06293bb7009924b97664c7d6
Markdown711aefe1c0b6d02a17a9546cb377edb038240a3752f01dd6ee3817494fcf5d8a
PDF
Publication page8ac39e9e51d44ffbf55aaecde16cf716d04b294a75fbb9c8cb076b8c8ea0db00
Manifest04aca772a3648fe84e1e75e3d3007134295900948cbf9163772beecec788d6de

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
Signature9F/8TwPNqMiI/sqeuTJBDban1s5I8v+AGhDRjCTxXjS6fXP4z8mmnEGJ7oMyHbWo6k6YPMYUuXI8Hfmy0WIMAA==
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

2026-09-17T10:48:19.901259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057675
observed 8ac39e9e51d44ffbf55aaecde16cf716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:19.880509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057675/manifest.json
observed 04aca772a3648fe84e1e75e3d3007134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:19.859713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057675/publication.md
observed 711aefe1c0b6d02a17a9546cb377edb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:19.839537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057675/publication.txt
observed 49cdb410a0550b864bce11f1e2d9b67e...
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.