OpenTechnical

OT-2026-000101677

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pulsed blow-off after 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-2026-000101677) never changes.

Identity and time

Publication numberOT-2026-000101677 · never reused
Internal UUID01a0aea4-0e16-7745-ae69-611e38e903d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101677
StatusPUBLIC

Content hashes

Canonical text57173653f5d7f18230c9bfb2fde2612087e561a1eb86fa724837db50a3c2d865
Markdownc3b640ff1ec09b871ae458bea1e0d507864ebfa4ec36a62ea7f97e1252e9096f
PDF
Publication pagefa4ca3571c95f93ec42fb29ea934dbdccb58e5488d67ce9077e6baa970219bbb
Manifest318843daf79526ae5fcedc232990f7f9f746f7c828e2c2e459f315dee6b6d862

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
SignatureQDQ06axfdHoKgT1RoxiEoMuI/6lEfClyHqr09v3djzYZk3eJTkKFsLksOowKjpP+HDEWiycVCyjWZBH9wIawAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:38.311299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101677
observed fa4ca3571c95f93ec42fb29ea934dbdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.293411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101677/manifest.json
observed 318843daf79526ae5fcedc232990f7f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.276414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101677/publication.md
observed c3b640ff1ec09b871ae458bea1e0d507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.260158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101677/publication.txt
observed 57173653f5d7f18230c9bfb2fde26120...
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.