OpenTechnical

OT-2026-000008975

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000008975) never changes.

Identity and time

Publication numberOT-2026-000008975 · never reused
Internal UUID01a0ae6b-31b8-75f8-934c-800b48c8949b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008975
StatusPUBLIC

Content hashes

Canonical textcb37fce970d984b261cbbf80afb6fa3d2cc291b02f940003f529032b8021a990
Markdown79a6a44d47183555abb62efd5a057eb85999c5d3a32608624aca77cebbcfcb5b
PDF
Publication page6e61467bbaf94c519670271d6e3d134a7626aba0b98e0503ed7e9f89ba21445e
Manifestdfca32b0a386cd5b3ce783c8caf4a46f9a35a3e81dcdd433ab6f7acca9826bdd

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
SignatureSKEvz4y4gX7SbgA9C2F07ZQ+SRptZCA+LV06KhZSChYKYySJlEUPz26IrmU4KtS7rj2yNYgF+wiDjLSttO3DCQ==
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

2026-09-17T12:17:35.743390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008975
observed 6e61467bbaf94c519670271d6e3d134a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.723943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008975/manifest.json
observed dfca32b0a386cd5b3ce783c8caf4a46f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.704086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008975/publication.md
observed 79a6a44d47183555abb62efd5a057eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.682890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008975/publication.txt
observed cb37fce970d984b261cbbf80afb6fa3d...
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.