OpenTechnical

OT-2026-000087744

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000087744) never changes.

Identity and time

Publication numberOT-2026-000087744 · never reused
Internal UUID01a0ae9a-cd55-7f4c-a8aa-2bd74f20f765 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087744
StatusPUBLIC

Content hashes

Canonical textf46c31f84688c87d3be140ee791150226dfc17e2e685c00d1044f054d0133b99
Markdownfb8d55e66dd6a33f5bd9d2f0122f317fb1020ca3a684acdb4e6c594bf3ea7d0c
PDF
Publication pageec287b94dfb6f0e6423d168e8598a60ca200e24a37081447dbf239844ffe0b96
Manifest1e849f717ccf07593308b3d654d79d4b1a868cc988a2aed6f872ed2c1800b5a3

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
Signaturesfv43vJKSggLsjigUjCMaxftbgQoT9nkYVUr/2QXA2wtG7GtUNg75kMeQnCeHUOwLKTDpdU8XIXdttyZzKxvBA==
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

2026-09-17T09:51:11.933848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087744
observed ec287b94dfb6f0e6423d168e8598a60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:11.918038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087744/manifest.json
observed 1e849f717ccf07593308b3d654d79d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:11.903555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087744/publication.md
observed fb8d55e66dd6a33f5bd9d2f0122f317f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:11.887264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087744/publication.txt
observed f46c31f84688c87d3be140ee79115022...
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.