OpenTechnical

OT-2026-000078548

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000078548) never changes.

Identity and time

Publication numberOT-2026-000078548 · never reused
Internal UUID01a0ae95-7c29-7f1e-a321-c0f3e2c32c55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078548
StatusPUBLIC

Content hashes

Canonical text623912ace4b370b2f277f6c2d32b8934bca422a06e20f7f1b99a47646d68f1b1
Markdownb1ff0541a8a62849f4399056de980d4ea0845b69112bd34c45080cefb9b63798
PDF
Publication paged8264d5b05064b1652787d3cd41012af5c60e25e5d64328fe5b251693e03f501
Manifesta2072ad261b77d53674fc2d1b1838679b9ea52a520717999edd7165771ce6205

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
Signaturebv9G0u/9s4oYGzJBX4Neoh8EnOVxZwn3CXEQnBjDHncUAxO2Qm+sIK+l3KJ+0pPd6ILZiAEM6kAgwl5vwkhBAw==
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

2026-09-17T10:06:34.154481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078548
observed d8264d5b05064b1652787d3cd41012af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.132776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078548/manifest.json
observed a2072ad261b77d53674fc2d1b1838679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.110920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078548/publication.md
observed b1ff0541a8a62849f4399056de980d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.091319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078548/publication.txt
observed 623912ace4b370b2f277f6c2d32b8934...
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.