OpenTechnical

OT-2026-000075244

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000075244) never changes.

Identity and time

Publication numberOT-2026-000075244 · never reused
Internal UUID01a0ae93-f200-7a66-9ad5-3a16ed060c96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075244
StatusPUBLIC

Content hashes

Canonical textef914010b5927c90ed291ad7ff4afd272f76aa48b8d856871e9e56ea32543fa4
Markdown263d95dd8027baa466037b08ed39f902641c10032d65962208c67af7f0f766cf
PDF
Publication pagebb47a9b0c8e159521fb58618bc4abb0be1f11510c5614a18939ec68ca9b72802
Manifest922fb34c1445ac8ca9a74ff0d436a96982dc5d1483b8b491c0684b75dee79304

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
SignatureCPa8j9jAa8mvhqiMp1sw9B57j+AVFO+K3uBnt8YEyAnfFACpZlXa85MNqeg5YbWpsGJv5PWiohCpvyNTwZgtAQ==
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

2026-09-17T10:20:32.010881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075244
observed bb47a9b0c8e159521fb58618bc4abb0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.991394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075244/manifest.json
observed 922fb34c1445ac8ca9a74ff0d436a969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.972039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075244/publication.md
observed 263d95dd8027baa466037b08ed39f902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.954401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075244/publication.txt
observed ef914010b5927c90ed291ad7ff4afd27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:50.945927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075244
observed bb47a9b0c8e159521fb58618bc4abb0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:50.805123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075244/manifest.json
observed 922fb34c1445ac8ca9a74ff0d436a969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:50.787996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075244/publication.md
observed 263d95dd8027baa466037b08ed39f902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:50.768619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075244/publication.txt
observed ef914010b5927c90ed291ad7ff4afd27...
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.