OpenTechnical

OT-2026-000074450

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000074450) never changes.

Identity and time

Publication numberOT-2026-000074450 · never reused
Internal UUID01a0ae93-717a-72f4-9b17-8b91e4b07c14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074450
StatusPUBLIC

Content hashes

Canonical text882293ed873dafd1fcfbbde810c0b285c29f42dd33ca4887ad74a7afdc3b940d
Markdown711f213c554883eb51e3d2f9fbcafe4e6b0fe1e1920702c6638900b84ba6a381
PDF
Publication pagea25e651d78aa1c785632db6e2d53f22a638812a17c85030661b203af963af712
Manifest93a796f11bf9801f9c9848ac63af67f7a41670900b5203d25a82d84297e3e541

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
Signature+lVqU26zzaZowz4PoHBwsMJQ80u3jd4OSqrkwSB4Z/N0Ixtr4D5ShnZI0o8AcmTSdD+w2FuxDbgEnGDBWT66BQ==
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

2026-09-17T10:19:24.529250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074450
observed a25e651d78aa1c785632db6e2d53f22a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.510495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074450/manifest.json
observed 93a796f11bf9801f9c9848ac63af67f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.491869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074450/publication.md
observed 711f213c554883eb51e3d2f9fbcafe4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.472610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074450/publication.txt
observed 882293ed873dafd1fcfbbde810c0b285...
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.