OpenTechnical

OT-2026-000089794

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089794) never changes.

Identity and time

Publication numberOT-2026-000089794 · never reused
Internal UUID01a0ae9c-1a23-7e17-9862-d1dc4530b59a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089794
StatusPUBLIC

Content hashes

Canonical textbcdc5a73388b00a152fab423f029e9e4680fd2cca7d207f70318d660f621a8e8
Markdowna6212523299f9f98fec51d5dfd0ee4c9a8e120fc4312130d3aa332a1a91c68fe
PDF
Publication page4edb95d967915eecbcdb207cc1dcdce099c0f4db22245ba3645e38490438a4c8
Manifestc9e4889a51f64445fc949d75c8eb332986ebfed298ece3637508dda083d6085b

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
SignaturengZ9UcvCptIcBOks9indxpJ3jwLI2/v5jRgkLV7apwU41n3KzAZbBIjsdxL8V9pf2EGaQZoIKOCJ/KFtSgqzCg==
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

2026-09-17T09:46:53.120922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089794
observed 4edb95d967915eecbcdb207cc1dcdce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.103881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089794/manifest.json
observed c9e4889a51f64445fc949d75c8eb3329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.086589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089794/publication.md
observed a6212523299f9f98fec51d5dfd0ee4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.068751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089794/publication.txt
observed bcdc5a73388b00a152fab423f029e9e4...
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.