OpenTechnical

OT-2026-000081786

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000081786) never changes.

Identity and time

Publication numberOT-2026-000081786 · never reused
Internal UUID01a0ae97-0f74-79ac-aeca-1caf13509745 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081786
StatusPUBLIC

Content hashes

Canonical texta56cc377acbff9d2c5a8545e36babf9e756e33c265b2e319924042b485c57852
Markdowna5cd95ed36edba3a06291d4e625e72977c717442737e2a02e5e8c2719c574c1e
PDF
Publication page67c78f2d87110ef8071ad41b2727389afe9d2ca9dc5f57be99d802f798656d5c
Manifest8c1af0b04800f46e325ff0f6ca0a90d6ee5d90adb199100330f60cdef34b5eb9

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
Signature8ytzuQ78rGqb21GoQz33Vn0X8hXp6xKBmgjy4WwOgm73O9FdZ0fWdPBHqlBb4sPNy3IziF1BdiTpW69SiPqEBg==
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

2026-09-17T09:59:52.964635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081786
observed 67c78f2d87110ef8071ad41b2727389a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.946971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081786/manifest.json
observed 8c1af0b04800f46e325ff0f6ca0a90d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.929006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081786/publication.md
observed a5cd95ed36edba3a06291d4e625e7297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.910506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081786/publication.txt
observed a56cc377acbff9d2c5a8545e36babf9e...
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.