OpenTechnical

OT-2026-000054769

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000054769) never changes.

Identity and time

Publication numberOT-2026-000054769 · never reused
Internal UUID01a0ae86-1285-786e-9b62-48af38d373d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054769
StatusPUBLIC

Content hashes

Canonical textcfbec02cf76440ad8dd749bc8ccbe3fb3e0a4fcf1c614806c93de0cc0bc0253d
Markdown4fb6d83a427eeba14f774ce095eab8e8f41d7858bfffac28ba0ca3a13c14e278
PDF
Publication page6e82deabcbb8d6499edfa0457963e94f367bd9621838bb72b1e360f05cf05d26
Manifest8faaed5f2bc053f388e6a8511596a1e4f6e56dbaa7ca17865fbc5eb4a4867831

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
SignatureaaQ2d+Xl/k7s0Q3IlrqlMqIOqKkN6V9kzTzYwCFY7jvBFUBLrT6XrQpveeKSI/tkQ7hG/Iajy4PAO7RvwobhAg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:57.754187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054769
observed 6e82deabcbb8d6499edfa0457963e94f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:57.736865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054769/manifest.json
observed 8faaed5f2bc053f388e6a8511596a1e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:57.719390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054769/publication.md
observed 4fb6d83a427eeba14f774ce095eab8e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:57.700900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054769/publication.txt
observed cfbec02cf76440ad8dd749bc8ccbe3fb...
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.