OpenTechnical

OT-2026-000075445

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000075445) never changes.

Identity and time

Publication numberOT-2026-000075445 · never reused
Internal UUID01a0ae93-f201-7ffa-8753-1cf7e020c60f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075445
StatusPUBLIC

Content hashes

Canonical text06000d97b84893bf4c5eac9ea48b4bc5694385844c23efe0ed887ef3c0f17b40
Markdown8624b7b812bd2c6d1cbc8dfdad17681cd0b300c1f2a96a41c539e8661344467e
PDF
Publication pagedc24f045adacfb37628a9a06f57b9271474403d1fc88271456f927cdd9b43a3e
Manifest486cbe812865aa0126ae9cfd92eb0a0a0d03c1f092b32e8be9b166e38b6e43a4

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
SignaturekcmcpWRbsUrvx7Jv36WQJvmlCkkX826twfsk4ZCG5py5LmUWDe4I6Kkwl2zUbZkP0/t1X/bYyzU8p5OBmtLUAw==
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

2026-09-17T10:17:40.730533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075445
observed dc24f045adacfb37628a9a06f57b9271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:40.711662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075445/manifest.json
observed 486cbe812865aa0126ae9cfd92eb0a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:40.692181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075445/publication.md
observed 8624b7b812bd2c6d1cbc8dfdad17681c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:40.050656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075445/publication.txt
observed 06000d97b84893bf4c5eac9ea48b4bc5...
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.