OpenTechnical

OT-2026-000008669

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000008669) never changes.

Identity and time

Publication numberOT-2026-000008669 · never reused
Internal UUID01a0ae6a-e46b-76f5-9120-5d7dc982ad13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008669
StatusPUBLIC

Content hashes

Canonical texte76658b49b944ff87dfb9e12de2aea3f1a3547df384460a37dfad90059bb43b8
Markdown4eb64db57e64af41feb6f45b6a494398fa1b474bc66e64bc4c832c04350b85ad
PDF
Publication paged62d362dfb446398198e6d5b8267d5b3b233a1091e1bc47e57e2e492740dfee6
Manifeste8e34886be78e04fdbb4583a89320ac1fe7fda92a0a75348e74efea92a0c797c

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
SignaturegJTHW+X29fX3QvdqfXp+C5Wdaq3XioG11IkNyoWDkuumQjDIXotgOlvxIQEUm0V96v9xznQ1UuKfccmxfEi4Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:39.088636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008669
observed d62d362dfb446398198e6d5b8267d5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.071683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008669/manifest.json
observed e8e34886be78e04fdbb4583a89320ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.052954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008669/publication.md
observed 4eb64db57e64af41feb6f45b6a494398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.032165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008669/publication.txt
observed e76658b49b944ff87dfb9e12de2aea3f...
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.