OpenTechnical

OT-2026-000083243

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000083243) never changes.

Identity and time

Publication numberOT-2026-000083243 · never reused
Internal UUID01a0ae97-c963-74a9-a96d-2783f943ca7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083243
StatusPUBLIC

Content hashes

Canonical text7f51d23cfe2254ca12ab0107a844d055291043f6af2fb133d3264075ccb41bc6
Markdown0be8de37feab2ea7275ea00d71f3f7cdd8ce5233cc2d4512a83c97ac17ec3c6a
PDF
Publication pagee0ecf0df0b1517816e436e02927ee8a79765852d17ef5fa1340c9ffe4f77c280
Manifest2c6567ddd80e17a26a10f4c140e65e748a314147e844e13eec0a4f3c95b9c7cf

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
SignatureqDvv3hvMwEaW2nL0I7fpp1KiiFdT/hBBdP+4WKIBw2J7qCKnGksl/BH1JWzddvR756th1phHvFFLyWh7J2K7Dw==
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

2026-09-17T09:01:13.854785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083243
observed e0ecf0df0b1517816e436e02927ee8a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:13.835887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083243/manifest.json
observed 2c6567ddd80e17a26a10f4c140e65e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:13.816037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083243/publication.md
observed 0be8de37feab2ea7275ea00d71f3f7cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:13.672837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083243/publication.txt
observed 7f51d23cfe2254ca12ab0107a844d055...
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.