OpenTechnical

OT-2026-000090179

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000090179) never changes.

Identity and time

Publication numberOT-2026-000090179 · never reused
Internal UUID01a0ae9c-428f-7a8c-8291-a1917ba7eb34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090179
StatusPUBLIC

Content hashes

Canonical textfcf5e8c5e4db6aeeacf103200ebf304200effc5e5db069bd3fe8ef8906844834
Markdown080fe6e04c6ae3d7e61aea60d9b27bc15ac6d1239bc25ae83e0ad5cb94064073
PDF
Publication page1fe42c724a5c75cfcbbe536aaae7e757e8dab6b99430b415c28f0a00591f3808
Manifest255e0a330583aaa541124a693c204212311cc3c772878b1ecf6b37e9e5b4a820

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
Signature09X4dBKEyzyWaIQXq6TyVm/YkZNBtdDdN7OkaPY6q2U9nXQ9hdtRRM8D5eX8OzAvEOQlH76/ocsT2dumIOGUAA==
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

2026-09-17T09:46:14.715154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090179
observed 1fe42c724a5c75cfcbbe536aaae7e757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:14.697962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090179/manifest.json
observed 255e0a330583aaa541124a693c204212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:14.679628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090179/publication.md
observed 080fe6e04c6ae3d7e61aea60d9b27bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:14.662000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090179/publication.txt
observed fcf5e8c5e4db6aeeacf103200ebf3042...
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.