OpenTechnical

OT-2026-000075773

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000075773) never changes.

Identity and time

Publication numberOT-2026-000075773 · never reused
Internal UUID01a0ae94-29fe-7b03-8112-b2e5f813f4cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075773
StatusPUBLIC

Content hashes

Canonical textdc311920fd1d1135a9a8719f4374ac42e07834fded59170be8dd0bc7923bd0af
Markdown7bc58f6a1966296b55e5a53df5b5cc7c5b221e32198100d3a576d366b2069aca
PDF
Publication pagee0db8180732118903a15484f0d75a4317f06dd68a339235bb499cde526d5a47f
Manifest63b609956c3609d2f7fda2f4534de8744f241deef4b23a765957334e18d2bb48

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
SignatureHmRRrmUKR/LjPX34Laz79vnIL61SWJ6bOL1Z5k4Zi8ZKgqexPDBSD5+MqHjSQkAJdriVuCZTV2wfdA6wlKrPDQ==
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

2026-09-17T10:14:06.747289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075773
observed e0db8180732118903a15484f0d75a431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:06.728883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075773/manifest.json
observed 63b609956c3609d2f7fda2f4534de874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:06.708785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075773/publication.md
observed 7bc58f6a1966296b55e5a53df5b5cc7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:06.448080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075773/publication.txt
observed dc311920fd1d1135a9a8719f4374ac42...
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.