OpenTechnical

OT-2026-000101781

Publication integrity record

Four cup vacuum gripper, four 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-2026-000101781) never changes.

Identity and time

Publication numberOT-2026-000101781 · never reused
Internal UUID01a0aea4-0e17-724c-94ec-a2d9a587e30c · 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-2026-000101781
StatusPUBLIC

Content hashes

Canonical text4c52d77731b3ef01b832ea2c68f5bee1bf367cd46893edbac87e060045c240d9
Markdown6819be281fc7119aa06cec7c205d9cb169f18829274af2e341286f7d44983ffe
PDF
Publication pageb3306bc54a8fcc30928544cc7a9de58dbb1d3614be63748542571034a6eb3871
Manifest843f1d670d265cce33b8f73b4f039cfe1ddf8cea76268def9876ef479769e446

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
SignaturerjSWh89vC1+n6IRemEXziKQWZ/GJ3/A27t27zPjz7N5SvhL7Ud7crOCM9rCuxb64cRhsYl2ZotfuFSFBqzIZAA==
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

2026-09-17T09:26:16.607689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101781
observed b3306bc54a8fcc30928544cc7a9de58d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.588943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101781/manifest.json
observed 843f1d670d265cce33b8f73b4f039cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.571300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101781/publication.md
observed 6819be281fc7119aa06cec7c205d9cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.553808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101781/publication.txt
observed 4c52d77731b3ef01b832ea2c68f5bee1...
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.