OpenTechnical

OT-2026-000033731

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, 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-2026-000033731) never changes.

Identity and time

Publication numberOT-2026-000033731 · never reused
Internal UUID01a0ae75-a390-7d43-9449-c54d1c166f75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033731
StatusPUBLIC

Content hashes

Canonical text828fb8847923a04b1423ceb1f5e1f4e75da28248ef5e5dbc5675dd47d53d55ee
Markdownfac3efdac1d379c0b5f932495d12ebb0dc3ea756f4b811e66b6300327af8a649
PDF
Publication page7fbb76af85dd2390a84584b4ec283f30895f5637b7a77b5352b950e5368c713d
Manifestb0223a90d7db6caa396bfbc5a095012fb2a1db005ee9f09f332b1877def1465a

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
Signature3UoC8FMUXsI2SgD7dwISNvbd1tgprFLO+b7YxCrfyMVM+BtJIdGfktOCzLwBrRgv1UaC+X7rME+wFErmRy0wCg==
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

2026-09-17T11:31:44.192628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033731
observed 7fbb76af85dd2390a84584b4ec283f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.171844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033731/manifest.json
observed b0223a90d7db6caa396bfbc5a095012f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.151842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033731/publication.md
observed fac3efdac1d379c0b5f932495d12ebb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.132562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033731/publication.txt
observed 828fb8847923a04b1423ceb1f5e1f4e7...
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.