OpenTechnical

OT-2026-000008076

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000008076) never changes.

Identity and time

Publication numberOT-2026-000008076 · never reused
Internal UUID01a0ae6a-908c-772d-ac21-c28fec3fd54b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008076
StatusPUBLIC

Content hashes

Canonical text7c6ebfb63a55b8e64c996f5e41e54a1519452f7e545720c1c2d0f253b110c6e6
Markdown3a8eab419b2222ca17c2b45a2411322bbbc2ec2cdd9c868b218b3461f7c82878
PDF
Publication page669055f70d2863d108a09eedafb29bdf447d95b412bbfd7d59ab209c49f3ee24
Manifest7d3e8cb1d2caed240792a9e0efba65bef419ac519720418407910b8ec004c10e

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
Signature380FM8iP8X4gYxBqwUjsJv+acwq9t2jP2E3KbqbnBXW8k5G161bYv0vrQh3dl+WeJLUaB1FqQb84RXnaPAeDBw==
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

2026-09-17T12:20:21.604163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008076
observed 669055f70d2863d108a09eedafb29bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.586442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008076/manifest.json
observed 7d3e8cb1d2caed240792a9e0efba65be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.568005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008076/publication.md
observed 3a8eab419b2222ca17c2b45a2411322b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.550050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008076/publication.txt
observed 7c6ebfb63a55b8e64c996f5e41e54a15...
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.