OpenTechnical

OT-2026-000087153

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, sustained blow-off before set-down

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-2026-000087153) never changes.

Identity and time

Publication numberOT-2026-000087153 · never reused
Internal UUID01a0ae9a-9f2e-7998-a310-b8e0c7782f10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087153
StatusPUBLIC

Content hashes

Canonical text539b1b319953643626e9caba944def0db39cfcfa64db788a02beea2972575110
Markdown8c8efad96ed4f2952f7abce5d6bd5b6a64b69f3ee1c8b4dbc68a01ae160262b9
PDF
Publication page0067f51cc76e48fb060a555d3ce831a2ad29888e63d852c492e8c7beefb6cf06
Manifestcd8c85ccdc95d2ce6e32dc6d611e31082407461f26ef5d6531559cb19c43265f

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
SignatureZu5fqDEiW799UCu6LjMAqYUATDKghhzKsG1qE0blahVnA8P0T6ZArHYTbKRLuBqooxqr3y1Tf5EcyklfCn81Dw==
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

2026-09-17T09:51:25.137738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087153
observed 0067f51cc76e48fb060a555d3ce831a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.119273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087153/manifest.json
observed cd8c85ccdc95d2ce6e32dc6d611e3108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.103450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087153/publication.md
observed 8c8efad96ed4f2952f7abce5d6bd5b6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.089126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087153/publication.txt
observed 539b1b319953643626e9caba944def0d...
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.