OpenTechnical

OT-2026-000087969

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000087969) never changes.

Identity and time

Publication numberOT-2026-000087969 · never reused
Internal UUID01a0ae9b-1aa6-73cd-929f-6269908f8595 · 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-2026-000087969
StatusPUBLIC

Content hashes

Canonical text2476faf5a76aa2040eae365828e35024d0379528168bc8b0360d29902612ee55
Markdown9ee603cf461a75350507b77942b2bab363671517053e847d76e9d1a2b292669d
PDF
Publication page3056de15be421d67b0b914f6b2e93d31d20f5442d67aa57488735e9f29795f6b
Manifesta56a0c140fb04c60b827a6d5e965e8ab701ad1a6a50a07dc840c96b9bde0e9d1

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
SignatureeAq5cfbedWkSV3Aoa2Yh/MVH9wOpFL1uZ/MBeory/aVnfiFiQ9TZXL7Y95lVAnlisgjfFSSwSK+DgSHZ3Ch8Bg==
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

2026-09-17T09:49:15.923989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087969
observed 3056de15be421d67b0b914f6b2e93d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.904951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087969/manifest.json
observed a56a0c140fb04c60b827a6d5e965e8ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.887741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087969/publication.md
observed 9ee603cf461a75350507b77942b2bab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.870507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087969/publication.txt
observed 2476faf5a76aa2040eae365828e35024...
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.