OpenTechnical

OT-2026-000090984

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000090984) never changes.

Identity and time

Publication numberOT-2026-000090984 · never reused
Internal UUID01a0ae9c-c011-7025-b9fb-60e7e97942c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090984
StatusPUBLIC

Content hashes

Canonical text958823f2736976f14a4a5cddaa0122ec56c05a7e502b8872f83c18a5cbb34516
Markdown120f7eac16a7f57e156be7400d4dc238d7b8edb861cbc8a81b2605623a9c4ade
PDF
Publication page404eb98dbeaa1d7918244ab83092405e2ee9bbdb6e067c4b70935ee56c4dd54a
Manifest1baba3b6a8d5e5eabc0ae24a5b5e5d2f4aad0ecae7abf39926795885b17d312e

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
SignatureQ6ozRa2bEHyOIL/ndibtWmdXzQIOia77uNrY2iLvyPjZmXbYMMVcvZ3V+PRjElNDRQDS7uQz7i+sLAMpoNb7Dg==
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

2026-09-17T09:44:12.764575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090984
observed 404eb98dbeaa1d7918244ab83092405e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:12.748971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090984/manifest.json
observed 1baba3b6a8d5e5eabc0ae24a5b5e5d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:12.732703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090984/publication.md
observed 120f7eac16a7f57e156be7400d4dc238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:12.715834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090984/publication.txt
observed 958823f2736976f14a4a5cddaa0122ec...
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.