OpenTechnical

OT-2026-000076276

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000076276) never changes.

Identity and time

Publication numberOT-2026-000076276 · never reused
Internal UUID01a0ae94-6a6f-74f4-83fb-a2b6a35a02d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076276
StatusPUBLIC

Content hashes

Canonical textd533ffc6a640d95e5f661b56b753ef9a825d798c5863a0bd3a739c9e36e6f468
Markdown2b2b052759e65025bf0dd1505f9a74f0d2d156f88daed8dfb8eb1053eb0e3adf
PDF
Publication page7b8d2bfcc366365b88d99166b6df95546f87dbbe699696309ec069c325319192
Manifest51cd2c3c1f00e9af2d6ec0f379777fe2097b57abc492e06c8d48c8985bca0802

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
SignatureSliRYtQoF7h3V/vBc/R2qCHpgCR8sC/HLmBF7x5ENa14/xfIwtE+xbMAUs8MFCTEeM22QWgr7mzry5h0aohkBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:02.208514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076276
observed 7b8d2bfcc366365b88d99166b6df9554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:02.041425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076276/manifest.json
observed 51cd2c3c1f00e9af2d6ec0f379777fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:02.019861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076276/publication.md
observed 2b2b052759e65025bf0dd1505f9a74f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:01.999886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076276/publication.txt
observed d533ffc6a640d95e5f661b56b753ef9a...
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.