OpenTechnical

OT-2026-000055681

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000055681) never changes.

Identity and time

Publication numberOT-2026-000055681 · never reused
Internal UUID01a0ae86-a103-7026-a29a-f9dd23aaef3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055681
StatusPUBLIC

Content hashes

Canonical textd10e1f3436d2b3ae6b10fb5fde0bace0d32621fc19d5f74854edcc8c1be8286a
Markdown78aa2606176015901d58e755015717bcbc1709bf3c90d98adea93658865b257c
PDF
Publication page9f7780dbdf97e80b7b02bf6798724369821d498f9620e64e1ab2778b58e9a6b8
Manifest8e515568bacdad69b4c42d28215525345d30c22f8633a973d5bc2e20f191687a

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
SignatureuExttYrZwt2NG62mEKnKsmHTUDNNC0ny8hqGSfOD0sca/dvF22nmFodbudeiBZd143xnBcEDXgKPGxMLX+JQAA==
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

2026-09-17T10:52:56.800190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055681
observed 9f7780dbdf97e80b7b02bf6798724369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.780475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055681/manifest.json
observed 8e515568bacdad69b4c42d2821552534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.761513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055681/publication.md
observed 78aa2606176015901d58e755015717bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.739479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055681/publication.txt
observed d10e1f3436d2b3ae6b10fb5fde0bace0...
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.