OpenTechnical

OT-2026-000018087

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000018087) never changes.

Identity and time

Publication numberOT-2026-000018087 · never reused
Internal UUID01a0ae6e-96fd-78a8-9e07-267aedbc399a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018087
StatusPUBLIC

Content hashes

Canonical textd8fc8477ae7f221a2414852711f12473445b0f90b2663ccad070539c5ea6c294
Markdown702a6c385776f8293bab2abbf20cec04589ffda7eb2ff58e945df73f5b6f97b4
PDF
Publication page8674da16806f701033bc71838effed62e145c3fd5e6999d0fefa87a2a9a81882
Manifest1b1808d25ffe7764586087f94a65a547340897d4dcda8de6d3b8431dcaab923e

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
SignatureY8KD2d+wOgcS7mZtIf07sV5j5y9QIqbVeeX/8OVdFB2fgt4D6GVdXZbkW1mPm/jajFnJirGqzUsqnHNqgyfmAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:07.914773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018087
observed 8674da16806f701033bc71838effed62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.899324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018087/manifest.json
observed 1b1808d25ffe7764586087f94a65a547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.881957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018087/publication.md
observed 702a6c385776f8293bab2abbf20cec04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.862657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018087/publication.txt
observed d8fc8477ae7f221a2414852711f12473...
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.