OpenTechnical

OT-2026-000055628

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000055628) never changes.

Identity and time

Publication numberOT-2026-000055628 · never reused
Internal UUID01a0ae86-a103-7f52-8a42-d636db120ecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055628
StatusPUBLIC

Content hashes

Canonical text96cb4623da56520264fcef6851634ddf115fe945475454acf38703e261ea4c75
Markdownedd3bad62342a2eebcfd5acffd7436fe2167da6f4562a79ab9defa72ce89d542
PDF
Publication page654081fc716f17a322e23bf14d34cf47b11f8e830e03dc085d8fac4b8b004d77
Manifest2ac7e701ab7107fac6d77ec8d3a2ad45c3b92abd1a08df1114d32f63161a5820

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
SignatureD0sGaHlZNDmNCFgxfofo8SwgjofEszXTpl6hNsressP5X/jv6AgWjUH9FqxnHMBnNEgW86zcgLu9ifPbJGpGDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:52.631914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055628
observed 654081fc716f17a322e23bf14d34cf47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:52.611651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055628/manifest.json
observed 2ac7e701ab7107fac6d77ec8d3a2ad45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:52.592082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055628/publication.md
observed edd3bad62342a2eebcfd5acffd7436fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:52.574537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055628/publication.txt
observed 96cb4623da56520264fcef6851634ddf...
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.