OpenTechnical

OT-2026-000073084

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000073084) never changes.

Identity and time

Publication numberOT-2026-000073084 · never reused
Internal UUID01a0ae92-c816-7dbb-9f3e-56e134a51063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073084
StatusPUBLIC

Content hashes

Canonical textd6505584517c9472d7e3021897107becfe44d4502ead1b34968717bee6be9887
Markdownf3f621e8d1023279db9c53c68b69b1b2d883cb91cc13bbedcb1f0b926d7b3aa3
PDF
Publication pagefb6d035017b081403648846fc97c44aa46bb19b20ec5945162bdcfc385a4c179
Manifest1857d59f8603606c9cc2c1cbee0a5a8dfd897d3b365205bc1c82364b67bb47e4

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
Signature8oI7Xs57rZUEa5SaW4BqkjUr/TlWOGO2VwaKejvz9G3ISH/VGBPrxiMmjdXeAmZ73xwqFzZCXtSlAhv2Ry3lBQ==
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

2026-09-17T10:22:02.172116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073084
observed fb6d035017b081403648846fc97c44aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.154517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073084/manifest.json
observed 1857d59f8603606c9cc2c1cbee0a5a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.138032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073084/publication.md
observed f3f621e8d1023279db9c53c68b69b1b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.120904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073084/publication.txt
observed d6505584517c9472d7e3021897107bec...
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.