OpenTechnical

OT-2026-000083275

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, sustained blow-off before 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-2026-000083275) never changes.

Identity and time

Publication numberOT-2026-000083275 · never reused
Internal UUID01a0ae97-c963-78f7-be7d-74e187930200 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083275
StatusPUBLIC

Content hashes

Canonical textac7a088c57e2c57b564a984e8e2312222df3bdf2b4d36b3b6fde648a32cb06cf
Markdown1a3424d1724dad2dc1a8adc2f472c3b4f178c69fdd3e0cfe01897b4f94b1792a
PDF
Publication page1811ba150a8bf73d91524626683c144f29418cda2ed5d25b9f000b9cd358725a
Manifest4201464c43284607c9486df077948912a2ab61a1027da76a986682771db322e8

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
SignatureEc4ciecdb/tpAYj6E/FZVqL89VyrhH2QVOM9tSBLfFBTf6MgFDIp4SjXg86yL2Me12WDehOKfD1QUBF+LC/GAQ==
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

2026-09-17T09:01:22.923761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083275
observed 1811ba150a8bf73d91524626683c144f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.906116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083275/manifest.json
observed 4201464c43284607c9486df077948912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.888955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083275/publication.md
observed 1a3424d1724dad2dc1a8adc2f472c3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.871178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083275/publication.txt
observed ac7a088c57e2c57b564a984e8e231222...
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.