OpenTechnical

OT-2026-000078237

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000078237) never changes.

Identity and time

Publication numberOT-2026-000078237 · never reused
Internal UUID01a0ae95-7c26-768a-a362-4b61ce5d7693 · 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-2026-000078237
StatusPUBLIC

Content hashes

Canonical text6c4c692f193acf5b4c72f64414c2d15cf5b75e94ace7e1654bac06e4eb0ded49
Markdownd0f220de2f02baebb6d6c68cafb5116b435197dbffb69655870f6af36a86c5ca
PDF
Publication page3d77ddb728acf585832979b2a47783fa742465f60cd6c3171ec8c4be4fb88216
Manifestca74b805e067616d74a4e9a698980afb160925f2f9a1b1db44445f8ccb5db641

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
SignatureO/wCPadnVFOfyHPz6O9VXAoqAwt0Bnb1r/cuU8c1160LOI4vm/5sAarkxnx1LL7HGifmyDPvyiKwJlktfV1QDg==
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

2026-09-17T10:06:11.199554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078237
observed 3d77ddb728acf585832979b2a47783fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.181034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078237/manifest.json
observed ca74b805e067616d74a4e9a698980afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.162681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078237/publication.md
observed d0f220de2f02baebb6d6c68cafb5116b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.145725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078237/publication.txt
observed 6c4c692f193acf5b4c72f64414c2d15c...
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.