OpenTechnical

OT-2026-000042274

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000042274) never changes.

Identity and time

Publication numberOT-2026-000042274 · never reused
Internal UUID01a0ae7a-5d73-74f4-945d-5d37501e09fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042274
StatusPUBLIC

Content hashes

Canonical text38bf44d4be011d6b716b4c85ced563f5ae14b81639db956f1f045b8ef8f2b0e5
Markdownf19a5b2c8a2a259e56b549b5f3c0836dbb8d52b62b7f7228966b041607a292de
PDF
Publication paged407bd5eab0e52b193017b23b6f96b2cbcb1b08dbb35a39bb6be1d7a4c66f97e
Manifestb735a495b08c8d6b9640fe1beb8f40c16adfd96428d99713beb28d5fe843fa0c

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
SignatureCl1hRZjT4l4XiY6aUrwtCn7mK8EBno0GprwqaH8D6TKIAVz/QSATfGEBSLCHAj7NMEIO4EULmYfdt8keytQ3Dw==
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

2026-09-17T11:15:57.845997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042274
observed d407bd5eab0e52b193017b23b6f96b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.828144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042274/manifest.json
observed b735a495b08c8d6b9640fe1beb8f40c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.810500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042274/publication.md
observed f19a5b2c8a2a259e56b549b5f3c0836d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.789192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042274/publication.txt
observed 38bf44d4be011d6b716b4c85ced563f5...
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.