OpenTechnical

OT-2026-000070747

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000070747) never changes.

Identity and time

Publication numberOT-2026-000070747 · never reused
Internal UUID01a0ae91-8c2c-74e1-8fd9-04af8d7193cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070747
StatusPUBLIC

Content hashes

Canonical textfcd98cfdc8a2a6367960025d2c9df48ee3f9cd9e8e48fdde276d297383589b66
Markdown591a83c2d47fa11d6553a24c827a8b2fec59671b2a2d3421f5fd190df60c2d39
PDF
Publication pageb259be36d4232bcd1b6e3f965d98ee11b1c2445340bffa42559af2ad004f3f60
Manifestbe0de252c1a68d5d5b0856c8f58fed5b1c0321278dbe1a8f6092578af8cb6eaa

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
SignatureFseetTJDG8baSI1RWB1vkkeweqSrgo5nIFlfbfShnVk2+bvjSiy9zWLEgr1ovnXn+DHH9rSapAhtEaZus/B2CA==
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

2026-09-17T10:25:26.580045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070747
observed b259be36d4232bcd1b6e3f965d98ee11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.563310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070747/manifest.json
observed be0de252c1a68d5d5b0856c8f58fed5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.545397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070747/publication.md
observed 591a83c2d47fa11d6553a24c827a8b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.527266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070747/publication.txt
observed fcd98cfdc8a2a6367960025d2c9df48e...
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.