OpenTechnical

OT-2026-000088495

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000088495) never changes.

Identity and time

Publication numberOT-2026-000088495 · never reused
Internal UUID01a0ae9b-5d28-75d2-8760-c98532121c90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088495
StatusPUBLIC

Content hashes

Canonical text7fdfbed73e03632156c69a6701b767d27301e8d23b3f00f19fbbd7469df7133b
Markdownbd2fbf4e361fb9a44e58995b4223e47a977c78b03f7fc8004a271369cd6c7cb8
PDF
Publication page07cf8d787bf25ad5db18e048a440dc43ab5980866de91092bd2f7e299e2032ce
Manifestb350540d7c22f310274c8ad30d330301fd2dbe2efc45bbf69653a28a07c8b5cd

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
SignatureUxZcEP62Xi33x9fZBtAWXOvRZMY9Ho3+IJkTYMa/guSFdPMW5AIT/kJB77jCcbeftFySp0Aq/ezgRruJNWFhBA==
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

2026-09-17T09:48:53.100216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088495
observed 07cf8d787bf25ad5db18e048a440dc43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.082494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088495/manifest.json
observed b350540d7c22f310274c8ad30d330301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.064645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088495/publication.md
observed bd2fbf4e361fb9a44e58995b4223e47a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.046858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088495/publication.txt
observed 7fdfbed73e03632156c69a6701b767d2...
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.