OpenTechnical

OT-2026-000087055

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000087055) never changes.

Identity and time

Publication numberOT-2026-000087055 · never reused
Internal UUID01a0ae9a-9f2d-7341-a7a3-f0b740d21165 · 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-2026-000087055
StatusPUBLIC

Content hashes

Canonical text977a3fb9bb568140e9737a6fe8de9e82208068e6b2c248b2bf9c58381400d8b7
Markdowndbe646b6e5770d72c0b52858b46022d0fad1670d1db84a025d03aebc6cd5632c
PDF
Publication pagec05c99bd12d9c8c500ce870260bcb0e35d9d982cbe72d49edf4e0d53458c5d82
Manifestdbc5915844447f2ef4f08b4492413c0479a4abf39a41ba5e430dc83ce9198150

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
SignaturecPMwaSU97JlGuovCYMUf0G127Ml3byTOzdlmnDBBxYOXhwcET6O3NUtSkhOFhCobT8lYnYwbviUuIoT/ikTYBA==
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

2026-09-17T09:51:18.161338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087055
observed c05c99bd12d9c8c500ce870260bcb0e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.144623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087055/manifest.json
observed dbc5915844447f2ef4f08b4492413c04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.127974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087055/publication.md
observed dbe646b6e5770d72c0b52858b46022d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.112191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087055/publication.txt
observed 977a3fb9bb568140e9737a6fe8de9e82...
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.