OpenTechnical

OT-2026-000078277

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000078277) never changes.

Identity and time

Publication numberOT-2026-000078277 · never reused
Internal UUID01a0ae95-7c27-73fd-9726-28db70b9bd1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078277
StatusPUBLIC

Content hashes

Canonical text03a1556e95f780dedbc12255aea3b3ed86076cc0999f4e42b85318e1a0d3db63
Markdown3c886e3f747efcbe74f74754b6cdc0f72c14e9cd2b4b98312e09892fd584306b
PDF
Publication page821dbec7bef00f40518bdcae29c8d93a2b620761bf13fc00c78a1dc000f3db9b
Manifest99b34c4d558839de7cc37a121bda5080f4dee24c740933835167a8cbc3d3fdf9

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
SignatureR011jFxvxzZ+gNy1NbhPxv30qiu/LV/f5rFpUrSAbw90Sd1jLMPL/1+xDFUquINeIO/Oo+HqgdB+Vj8qcm1bAQ==
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

2026-09-17T10:06:14.372287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078277
observed 821dbec7bef00f40518bdcae29c8d93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.351710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078277/manifest.json
observed 99b34c4d558839de7cc37a121bda5080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.304567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078277/publication.md
observed 3c886e3f747efcbe74f74754b6cdc0f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.256141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078277/publication.txt
observed 03a1556e95f780dedbc12255aea3b3ed...
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.