OpenTechnical

OT-2026-000089168

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000089168) never changes.

Identity and time

Publication numberOT-2026-000089168 · never reused
Internal UUID01a0ae9b-db00-748d-898d-dffeb2adbb89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089168
StatusPUBLIC

Content hashes

Canonical text7d11c3c751678a780215e14414ca7048cdc65e3031015632119589ec0896e682
Markdowndd0b6d509aff97e2f61ffde930945cd991a6d88715c629b32ae82ef84d5f7de9
PDF
Publication page8ced1169034bbaa72f8f085df8ab32072b141d76bf61fa8e53c7c449c622fc48
Manifestb2e3c1bab61cdcaea0bbe21afad70f4693b28d00479176c447a5df6e1be48118

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
SignatureQJHYg5nHI6e0vC3AZKtxnsQKNPdVIabh+MRXuAH6s79EQk2YFiadDlLAIAnVUjyxFnglXX5aShXMD39pn/0jAA==
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

2026-09-17T09:47:10.611680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089168
observed 8ced1169034bbaa72f8f085df8ab3207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.592356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089168/manifest.json
observed b2e3c1bab61cdcaea0bbe21afad70f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.546474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089168/publication.md
observed dd0b6d509aff97e2f61ffde930945cd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.511619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089168/publication.txt
observed 7d11c3c751678a780215e14414ca7048...
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.