OpenTechnical

OT-2026-000061998

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000061998) never changes.

Identity and time

Publication numberOT-2026-000061998 · never reused
Internal UUID01a0ae8b-b8ae-75ef-92fa-0fd34c0fcda1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061998
StatusPUBLIC

Content hashes

Canonical text5c9d43f3db5ef58a81db77e27b52746565e0e6075662cdd1c775d7b68bea7f65
Markdown63e4826eea4e970d81955aa68f732e4979feb32906b182e1016c368f2e7393b4
PDF
Publication page9dc5515a1805b13e46528440ab107ef00ad7575b369410689fe090b379ed279f
Manifest875e2c00456f60cbe84746c84529554d7a443c1c107011645860552d460447c3

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
SignatureoIpKaWkE17Cc5uHriTQZOKLVzYbEmjEnDQdjhISf3gNcSBaethiMe2f/4g3QYzCIHo70MjRyBI6/tuOykPBlCQ==
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

2026-09-17T10:40:55.888543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061998
observed 9dc5515a1805b13e46528440ab107ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.868864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061998/manifest.json
observed 875e2c00456f60cbe84746c84529554d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.848554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061998/publication.md
observed 63e4826eea4e970d81955aa68f732e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.827034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061998/publication.txt
observed 5c9d43f3db5ef58a81db77e27b527465...
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.