OpenTechnical

OT-2026-000061312

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000061312) never changes.

Identity and time

Publication numberOT-2026-000061312 · never reused
Internal UUID01a0ae8b-1384-794d-ae99-65f04c932fc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061312
StatusPUBLIC

Content hashes

Canonical text6985787125225b041962ec1f2bae46e5b8efc10fdb79a2c4125728cc5bc4b46b
Markdown8f43d2411040aab43717957298d3769bf94313e90be8611f8e62fdd5e668d043
PDF
Publication pagee4a0cf7bd16fae62b84d72e08316e01cd2e51afcf2831622f73ff4fc2a4933ec
Manifest1a6443a6fd6316f439808f4de3fd0edef6701ad3c17fc2859f084fa0ef4f22dd

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
SignatureY6LwMUt060EWitBFk/Ihz+ldGFs4muElhyoi3R2XZfVvMPa6u3S1KnWO3T0SjpJYV+cgRIJyNncC0ng0vuG3Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:44.739119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061312
observed e4a0cf7bd16fae62b84d72e08316e01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.720597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061312/manifest.json
observed 1a6443a6fd6316f439808f4de3fd0ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.704731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061312/publication.md
observed 8f43d2411040aab43717957298d3769b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.685585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061312/publication.txt
observed 6985787125225b041962ec1f2bae46e5...
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.