OpenTechnical

OT-2026-000011012

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, vented 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-2026-000011012) never changes.

Identity and time

Publication numberOT-2026-000011012 · never reused
Internal UUID01a0ae6c-540e-74d0-8f9c-dc26ebf5921e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011012
StatusPUBLIC

Content hashes

Canonical textf1a9848bc6031c7958e3f8fe93b64f86cf1dbfba79ecfbd0c13902a318db2a72
Markdowne4395b52a4b4579f982374fb1d52861b937ca84bbd42a88ebcea0cffff7a67cd
PDF
Publication pageceb5f4f524d5649d56f1a136ea66a60b20192920547454c1cfaca2f8dffae57b
Manifestb40320ef3b9f1d0d429a0e5c0064c9a38aa7fbd9abbc9f62ab11acb564ff13fe

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
SignatureJZYzVuSfo3v/e/zcIPeW+fUkBMLEsVu0YDwRoB+B1B4e/CGDe5ZCnpva6wcQDIurMpb7EydsJN/TfBEPTstSCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:49.876912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011012
observed ceb5f4f524d5649d56f1a136ea66a60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:49.857981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011012/manifest.json
observed b40320ef3b9f1d0d429a0e5c0064c9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:49.839162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011012/publication.md
observed e4395b52a4b4579f982374fb1d52861b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:49.819751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011012/publication.txt
observed f1a9848bc6031c7958e3f8fe93b64f86...
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.