OpenTechnical

OT-2026-000083445

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000083445) never changes.

Identity and time

Publication numberOT-2026-000083445 · never reused
Internal UUID01a0ae97-c965-723e-9a83-dc8310cf5814 · 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-2026-000083445
StatusPUBLIC

Content hashes

Canonical textd12bcfb113f9234ebbb15453d43659d5e3968c8eb81ef350b1c03d9116cb54cf
Markdown7f7f3659a4c2d3e08260c89bad192fe4190eabc6e02c9b4d9f9980f769185879
PDF
Publication page300d22e4196ecf21d661d53ae2e5fefed32b3a7bf5e5b0cc66e03d5545997617
Manifest3362ae3629f5ee04efdf67c8a54d42b71e7db679a33c6a51a41d049ac8ac74b4

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
SignaturehoNGO9ZfcUpfvFihOL05+6vqMAhedSNmbASaMeb1SQ7DzGW49CVljetR038tKqR6cDMjpccnsVtg7HTTTApZCg==
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

2026-09-17T10:00:51.503409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083445
observed 300d22e4196ecf21d661d53ae2e5fefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:50.985656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083445/manifest.json
observed 3362ae3629f5ee04efdf67c8a54d42b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:50.959560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083445/publication.md
observed 7f7f3659a4c2d3e08260c89bad192fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:50.912794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083445/publication.txt
observed d12bcfb113f9234ebbb15453d43659d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.150735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083445
observed 300d22e4196ecf21d661d53ae2e5fefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.135190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083445/manifest.json
observed 3362ae3629f5ee04efdf67c8a54d42b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.111382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083445/publication.md
observed 7f7f3659a4c2d3e08260c89bad192fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.087989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083445/publication.txt
observed d12bcfb113f9234ebbb15453d43659d5...
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.