OpenTechnical

OT-2026-000061371

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000061371) never changes.

Identity and time

Publication numberOT-2026-000061371 · never reused
Internal UUID01a0ae8b-1385-79ed-95e9-76ca9603da91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061371
StatusPUBLIC

Content hashes

Canonical text79039cfad0dc8e580e649154d233a43485095468172bda9ad46220dc5cc99444
Markdown5855288cee30341b373f76a552bf57b31c7bb58082bcb95dc9bcc0bf1f76d4e6
PDF
Publication pagebcd489413908f85990b623e695b476331550bba4af79b0e1370ef1727934f689
Manifest23a517c1b9789f247509ba36416129576963518444578f14e749fbe063039c9d

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
Signaturevz3ie2hHusIYAN32xzCO2NqzPPSeUTaEoPQsBUhjHzHs6COx2RiulAELT+q8A7gYBQfafp9a+NHfj319iOYpCA==
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...

Independent retrieval

2026-09-17T10:42:49.401250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061371
observed bcd489413908f85990b623e695b47633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.382875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061371/manifest.json
observed 23a517c1b9789f247509ba3641612957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.365857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061371/publication.md
observed 5855288cee30341b373f76a552bf57b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.350465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061371/publication.txt
observed 79039cfad0dc8e580e649154d233a434...
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.