OpenTechnical

OT-2026-000087908

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000087908) never changes.

Identity and time

Publication numberOT-2026-000087908 · never reused
Internal UUID01a0ae9b-1aa5-7de8-82a5-05eeb6079a49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087908
StatusPUBLIC

Content hashes

Canonical text4ea82d9c884af9f3686dab200f26f2764a6d1a08c21a08d2083ea8075ec3a4a4
Markdown2e50aed8fb9109e7db170a07de87e017ca88a503bf4a12f23642b49c13b7cef1
PDF
Publication page2618cfbdbdad840110be55746e2e3ba0d39bd006cb0b05f39519446ee0d33ad5
Manifestb7acf1d54db03c00eeb2da6ba27ec84a32ad9ee9e65e2c856f75c1477c25d552

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
Signaturez0wTYuYP0Y99ylsWdHc+jOphtrlmWUadKBKbII7QTlAo5/jjdFsvESJfzlmOdaj+pJJWRnKmknkxWXlPv9srCA==
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

2026-09-17T09:49:11.507086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087908
observed 2618cfbdbdad840110be55746e2e3ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.490762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087908/manifest.json
observed b7acf1d54db03c00eeb2da6ba27ec84a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.473249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087908/publication.md
observed 2e50aed8fb9109e7db170a07de87e017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.451386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087908/publication.txt
observed 4ea82d9c884af9f3686dab200f26f276...
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.