OpenTechnical

OT-2026-000069514

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000069514) never changes.

Identity and time

Publication numberOT-2026-000069514 · never reused
Internal UUID01a0ae90-b52b-7559-ae14-d6c5aa0ad9a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069514
StatusPUBLIC

Content hashes

Canonical text20defe748d967c08f971f2ae28cea2528d7d7484dd142147557ad89105551197
Markdownceae540d1834f49902192d32568a695dd106dff067e133a64e10c968fd9568c5
PDF
Publication page033dcf8a56e6371f93a09f93a9f8e744e0b9171226d176a5aa610612c4d2dbe6
Manifest0ef0ffebcb8a3d9836e29a7869bd3a1eacfc5a9d347a6847ce71d59bec43690c

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
SignatureXe1V2SuOj0AvsOT2f96O5AmIKl7+6KDhhrNLfTd+SdmC/aQF6uoRpIb1fyiRH7vU03KJ3XsK7EhNwkZwbv4LBQ==
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

2026-09-17T10:30:36.113507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069514
observed 033dcf8a56e6371f93a09f93a9f8e744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.096611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069514/manifest.json
observed 0ef0ffebcb8a3d9836e29a7869bd3a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.080249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069514/publication.md
observed ceae540d1834f49902192d32568a695d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.062825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069514/publication.txt
observed 20defe748d967c08f971f2ae28cea252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.170218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069514
observed 033dcf8a56e6371f93a09f93a9f8e744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.150909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069514/manifest.json
observed 0ef0ffebcb8a3d9836e29a7869bd3a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.131245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069514/publication.md
observed ceae540d1834f49902192d32568a695d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.112400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069514/publication.txt
observed 20defe748d967c08f971f2ae28cea252...
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.