OpenTechnical

OT-2026-000009976

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000009976) never changes.

Identity and time

Publication numberOT-2026-000009976 · never reused
Internal UUID01a0ae6b-cb79-75f0-bc42-77fc2a0daeb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009976
StatusPUBLIC

Content hashes

Canonical textd26371426aa038f82d3aba5e94752bf1011832ef6d4e162736329366d3e9b2dc
Markdown5dd8f247ab3555749aabbcd937bccbffb32da81676b82d55aaba6872fa69bd64
PDF
Publication page225f95054a62bd567eea35f4976c647970197052ce1c081333678808604c8a83
Manifesta3c9632501b37cca282e37496a9cb9960b450e52b55b828b971334a3a068e21e

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
SignatureMCykRqwNXC7IJzj8yX7gQnIzhlSHDPoUDTUQ8koroWnoBxr9cVA6YOHHzmdts6rAuuecZcoaGpgltwSS0AGSAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:01.094444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009976
observed 225f95054a62bd567eea35f4976c6479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.074908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009976/manifest.json
observed a3c9632501b37cca282e37496a9cb996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.056502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009976/publication.md
observed 5dd8f247ab3555749aabbcd937bccbff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.038632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009976/publication.txt
observed d26371426aa038f82d3aba5e94752bf1...
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.