OpenTechnical

OT-2026-000078609

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000078609) never changes.

Identity and time

Publication numberOT-2026-000078609 · never reused
Internal UUID01a0ae95-7c2a-7f06-a5fb-a51a74290a48 · 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-2026-000078609
StatusPUBLIC

Content hashes

Canonical textc790915864e5221847baedcc801cfd7944f8cb2e59754e6329883f14cd4ed5f9
Markdowned7cb282ab65e4e3b4091e4999f4bf673783aca31e753ff1052814eed4353d33
PDF
Publication page49a232cfce09e16bc8529ddf05f8690c652d7fb95b04430ceb396650cbdc5f47
Manifest207fc483347598304b0bfb81515d8819301d85cf1fe188b2ebb61a66e4f4466a

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
SignatureKVv6TIBwZCNY+qHzIrXtDLIxCcNAPlKUxhsH+XfvZHRlaxvPEFVtU8db6gLch7uz+2X9rOnp1pMwfJZ2BLa7Bg==
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

2026-09-17T10:06:38.648290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078609
observed 49a232cfce09e16bc8529ddf05f8690c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.629251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078609/manifest.json
observed 207fc483347598304b0bfb81515d8819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.611085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078609/publication.md
observed ed7cb282ab65e4e3b4091e4999f4bf67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.591732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078609/publication.txt
observed c790915864e5221847baedcc801cfd79...
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.