OpenTechnical

OT-2026-000080591

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, sustained 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-2026-000080591) never changes.

Identity and time

Publication numberOT-2026-000080591 · never reused
Internal UUID01a0ae96-7e79-7268-be37-8439210dd472 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080591
StatusPUBLIC

Content hashes

Canonical text59a5c767b9628b71191ad47267cdb33b26e69e97c2e921b7459d99955dc98859
Markdown6c4c1e7c228e0cf92b4448ba01df4657c7ecc0f2e0ef7f916836572c05361a52
PDF
Publication page3e3eac812f926170952d4643400c45bfb9c9ea6abd736b1b6039a089ecfce6c6
Manifesta0339a02e5e31272c001fdd93fcbf0eb0b9c78f1f5eb0001840225faa5e8e4c9

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
SignatureYKiTC/QfeOj2LrHA96DieQe+yKlElZctRuJ5t+c6Aknsx3K1PuBei4uRWSam81gHz9DwdYTQnbyTPfKUqdYfAg==
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

2026-09-17T10:03:13.572806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080591
observed 3e3eac812f926170952d4643400c45bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:13.556711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080591/manifest.json
observed a0339a02e5e31272c001fdd93fcbf0eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:13.540156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080591/publication.md
observed 6c4c1e7c228e0cf92b4448ba01df4657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:13.522164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080591/publication.txt
observed 59a5c767b9628b71191ad47267cdb33b...
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.