OpenTechnical

OT-2026-000062880

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000062880) never changes.

Identity and time

Publication numberOT-2026-000062880 · never reused
Internal UUID01a0ae8c-94a8-794a-9d27-7900146c9964 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062880
StatusPUBLIC

Content hashes

Canonical textb8973081298d3e42e9ad4fe7bafe171ee6786f89f255c46b9b7c87d51f9ae157
Markdownc620128e7006404023bf5f0f7e1dbb6a8f924507000be97721e996a8d3ad7a2d
PDF
Publication page65a71a8f4d248b94a2fe109613a6a1b3871b34f4b16bb00fa7b0bb5e47ace135
Manifest9f19b58381cf5d794ca18f04fff85c0579e9f26505021082991b997b7925c06c

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
SignatureG+4qk8omcBz2eI3nXxHEr23mWNaEBYxN3kPtIWP/7AzVpEApnXJaxgluT3KCoWwEbXIulTCtp5c3rzcoruslDw==
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

2026-09-17T10:40:14.451276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062880
observed 65a71a8f4d248b94a2fe109613a6a1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.431067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062880/manifest.json
observed 9f19b58381cf5d794ca18f04fff85c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.410999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062880/publication.md
observed c620128e7006404023bf5f0f7e1dbb6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.386205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062880/publication.txt
observed b8973081298d3e42e9ad4fe7bafe171e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.003006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062880
observed 65a71a8f4d248b94a2fe109613a6a1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.986006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062880/manifest.json
observed 9f19b58381cf5d794ca18f04fff85c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.967369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062880/publication.md
observed c620128e7006404023bf5f0f7e1dbb6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.949233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062880/publication.txt
observed b8973081298d3e42e9ad4fe7bafe171e...
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.