OpenTechnical

OT-2026-000061852

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000061852) never changes.

Identity and time

Publication numberOT-2026-000061852 · never reused
Internal UUID01a0ae8b-b8ac-7bd3-aade-8ae7025968ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061852
StatusPUBLIC

Content hashes

Canonical textab5e979d4b66adef0925757c9175d41863ee914988da5c50551e6d2f0b78caf8
Markdown79c7fc9c9a94a1481dc253033dcfb4d3a03c2e9f5cb9e17c85aa54b1665e4509
PDF
Publication pagecb5db70b964ea99800c67d9ed6cd66d15117d6db54af50f855ca36a72b4c9e6d
Manifest61fd3a62387ed6b6e772c46df84993316caf54ee025c8adc20c1dd26050ea92f

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
SignatureZ8wEcmwT/dufzk7vVDiR1dDKg9awZWFgBhrUVh3ckT0XYHilHTVgnjaVN7YT8WOH56icWnhTn9xFzX+0NMHwCg==
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

2026-09-17T10:40:42.296663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061852
observed cb5db70b964ea99800c67d9ed6cd66d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.277333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061852/manifest.json
observed 61fd3a62387ed6b6e772c46df8499331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.259865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061852/publication.md
observed 79c7fc9c9a94a1481dc253033dcfb4d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.243374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061852/publication.txt
observed ab5e979d4b66adef0925757c9175d418...
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.