OpenTechnical

OT-2026-000062881

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000062881) never changes.

Identity and time

Publication numberOT-2026-000062881 · never reused
Internal UUID01a0ae8c-94a8-7ae4-9219-179d60ca9056 · 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-2026-000062881
StatusPUBLIC

Content hashes

Canonical text70933adc468b9a7efe9c09e5ef04c2cf461ed22ef088b6a7a14e7c24f5976100
Markdown59c7e6a11b75868427cdf32a76c6043577bc3b61e20e9a42404dff9b99c09865
PDF
Publication page4098021bee9c8af875cd046f1f923889201303c1b699229ed01915e737c6b080
Manifest195802391270b142f97f135097f2a86f3d6bc32650727a883f63c4e1fa24fe76

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
SignatureIN1Tf7Cn5mjmLWgw+LYLOYKwZTtdKggzhIaevOeDc1l0kNU84Pdn+GXgGZDtAMkg8H+T9YkpJk6R6dT7ETX1AQ==
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

2026-09-17T10:40:14.536877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062881
observed 4098021bee9c8af875cd046f1f923889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.517218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062881/manifest.json
observed 195802391270b142f97f135097f2a86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.496016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062881/publication.md
observed 59c7e6a11b75868427cdf32a76c60435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.473612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062881/publication.txt
observed 70933adc468b9a7efe9c09e5ef04c2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.072978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062881
observed 4098021bee9c8af875cd046f1f923889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.056026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062881/manifest.json
observed 195802391270b142f97f135097f2a86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.038320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062881/publication.md
observed 59c7e6a11b75868427cdf32a76c60435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.021646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062881/publication.txt
observed 70933adc468b9a7efe9c09e5ef04c2cf...
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.