OpenTechnical

OT-2026-000085238

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained 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-2026-000085238) never changes.

Identity and time

Publication numberOT-2026-000085238 · never reused
Internal UUID01a0ae99-43bb-7408-8ce1-98a81f21d581 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085238
StatusPUBLIC

Content hashes

Canonical text99307a99f819ced92460ec78b2d7bc3b0be9dac1a7d1079652207d8f664d40e3
Markdown1743e6ed0d7cfa0ee55d7ec68eaf10aaa4681569980aefc5d2826453b62af3bb
PDF
Publication pageacc9359fefae91db324ad7d7b125a8367dbdb02cfb3e81e1b683e526ba8fe007
Manifest1a761e1a2bd262628ceb878d09f8f6d8baf90427ce6fc47f6cb0293e083cd80e

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
Signature4DwgUFEISLyfO8TKWY6AtvKDNjxmNxY4gM1ZmGxl/xFqqy9fASKtu5yAgv/4wSowlhAbrNPESZXsRswiBdgSCg==
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

2026-09-17T09:55:20.262992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085238
observed acc9359fefae91db324ad7d7b125a836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.246299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085238/manifest.json
observed 1a761e1a2bd262628ceb878d09f8f6d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.228060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085238/publication.md
observed 1743e6ed0d7cfa0ee55d7ec68eaf10aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.208607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085238/publication.txt
observed 99307a99f819ced92460ec78b2d7bc3b...
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.