OpenTechnical

OT-2026-000079848

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000079848) never changes.

Identity and time

Publication numberOT-2026-000079848 · never reused
Internal UUID01a0ae96-4376-7691-8986-366a61d43f29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079848
StatusPUBLIC

Content hashes

Canonical text4a31f94088738767c1bcbe5b33678d17b7eeffb54163950058eb33249bc599fc
Markdown2146fa3032abe3814de8879d7d1faba8de6fd561cc078bd2ca0eaff75b847dea
PDF
Publication page1463803dcb973ad73d05312ff5dcb1d34071ce626cfec4d43434db3c5eb1d250
Manifest423b042e327bdef03c11cb2f5d9731521469613680a3bec321f6231d7f292e68

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
SignatureNj8Y8kCOHXr0Jj1I/30rgH7Pe0jtWd33pc8bv8UcPxIUyVn2QgU262lTQ6kcC62eaHJFjSw/gymG8e5ukkWvAg==
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

2026-09-17T10:03:44.133749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079848
observed 1463803dcb973ad73d05312ff5dcb1d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.113423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079848/manifest.json
observed 423b042e327bdef03c11cb2f5d973152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.094365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079848/publication.md
observed 2146fa3032abe3814de8879d7d1faba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.075635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079848/publication.txt
observed 4a31f94088738767c1bcbe5b33678d17...
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.