OpenTechnical

OT-2026-000069393

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000069393) never changes.

Identity and time

Publication numberOT-2026-000069393 · never reused
Internal UUID01a0ae90-b529-7e92-b9c7-1adf81a38f83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069393
StatusPUBLIC

Content hashes

Canonical textf75d5e6e97914ba70d52c2ded1c38624a6504976e849e5547ed1580f24203dab
Markdowneaa5c993094bc8ef20775098050de97da7ade058b42a0ddb03baf0541ce451e3
PDF
Publication pagef03ab3d439363e77b0c4b32fef368f2c0a40122166bf36149bb918c32778ed34
Manifest107bc8b376ab9c9f1570f78ef50675026514bd4f95125b6f1b712800f1b2a26f

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
Signaturet/1bJP7WOGRzjITaMp/XYpvGcuO0gmemxzJl1M6/iPHO817mFWlbxxA8kRxdyaS5Almfvv0OnDOz2gcyRpXNAQ==
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

2026-09-17T10:30:19.014951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069393
observed f03ab3d439363e77b0c4b32fef368f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.994405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069393/manifest.json
observed 107bc8b376ab9c9f1570f78ef5067502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.977882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069393/publication.md
observed eaa5c993094bc8ef20775098050de97d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.959454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069393/publication.txt
observed f75d5e6e97914ba70d52c2ded1c38624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.444512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069393
observed f03ab3d439363e77b0c4b32fef368f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.426024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069393/manifest.json
observed 107bc8b376ab9c9f1570f78ef5067502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.407256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069393/publication.md
observed eaa5c993094bc8ef20775098050de97d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.390652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069393/publication.txt
observed f75d5e6e97914ba70d52c2ded1c38624...
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.