OpenTechnical

OT-2026-000066572

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000066572) never changes.

Identity and time

Publication numberOT-2026-000066572 · never reused
Internal UUID01a0ae8e-ce41-7b29-a7cc-a7832ff55f43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066572
StatusPUBLIC

Content hashes

Canonical textae78366ab97e602cb76dbc8d980311b3d73fdcc888bea11a66a2522f155f5c16
Markdownf2eea036b4cc7fd2066432408fc7f68f7e019f5e319acfac5d9d5e5c73dc4113
PDF
Publication page32ee8c319578a77ae66a8fa63907b91298da4cbc3b33102145913aedb2fc4729
Manifest8c350b9d4cacd144be733e2300c025e33cc13c197d01d4161c2a223ec4335c99

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
Signature9NETiHKyjPvog6+Sm/SN+97bjk7LFmFZ+/YbFXOivpJFaWnXwUepRRLbqhsdGewABLA+M1FVr3UgYFoZjtN4DQ==
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

2026-09-17T10:32:50.719307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066572
observed 32ee8c319578a77ae66a8fa63907b912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.703646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066572/manifest.json
observed 8c350b9d4cacd144be733e2300c025e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.686539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066572/publication.md
observed f2eea036b4cc7fd2066432408fc7f68f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.667862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066572/publication.txt
observed ae78366ab97e602cb76dbc8d980311b3...
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.