OpenTechnical

OT-2026-000078985

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two 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-2026-000078985) never changes.

Identity and time

Publication numberOT-2026-000078985 · never reused
Internal UUID01a0ae95-ccbe-7c0a-9f40-d5404ee7087b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078985
StatusPUBLIC

Content hashes

Canonical textd41e53f416c8b31bc1a1290b5c92b92325c5b4bb854447d2d981f4815d4e4d8a
Markdownec405d576b07ece1c350d2030728d9fafbd870785bd48a6f12ac7167876ccbfd
PDF
Publication page3ce5544fdfa6e5af48a8e9f65620334ccea4ac5ed0d577c7293c80e8f4780b66
Manifest179d35c13846be9e27a9c2dc995f8b283a54476fd63c6579841fc8ad7b3db577

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
SignatureOd4M/Nj4UUo4rzMHKTMtb/U4zR8EKrmwo1HPA8pDTWiOcVrNY1slwEvNYZUVq/kMTkFGC5QruGpU1x5iy4jiCQ==
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

2026-09-17T10:05:48.815349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078985
observed 3ce5544fdfa6e5af48a8e9f65620334c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.797178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078985/manifest.json
observed 179d35c13846be9e27a9c2dc995f8b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.776692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078985/publication.md
observed ec405d576b07ece1c350d2030728d9fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.759157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078985/publication.txt
observed d41e53f416c8b31bc1a1290b5c92b923...
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.