OpenTechnical

OT-2026-000078299

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000078299) never changes.

Identity and time

Publication numberOT-2026-000078299 · never reused
Internal UUID01a0ae95-7c27-7995-abd5-04527e5cd698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078299
StatusPUBLIC

Content hashes

Canonical text60650c2a9b819d63552bd0dbc42ce5e557dd1bea530f0d2a9fe096eae4356f08
Markdown04033ffe3638db47c14633e5d05242bd97167701264a0d5c381eee75cfa6e9ba
PDF
Publication page6a29e84c89b33cee53f745ecc483f11fe73e24018e590de22413dd920ed027dc
Manifestfb8d422061e585a9339e78164ef42a35cf6f92efba8ae61775f74cbcc0ec0af7

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
Signaturec3pImBQkZE/GyNF+ziKsbWRfJL6nLus2FWMtyqA4we70xfqv0Rv+2tTgg3Fi9CgIO8k4tBOgj5P3YAHERq08Aw==
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

2026-09-17T10:06:15.854003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078299
observed 6a29e84c89b33cee53f745ecc483f11f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.834708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078299/manifest.json
observed fb8d422061e585a9339e78164ef42a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.816627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078299/publication.md
observed 04033ffe3638db47c14633e5d05242bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.797614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078299/publication.txt
observed 60650c2a9b819d63552bd0dbc42ce5e5...
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.