OpenTechnical

OT-2026-000056505

Publication integrity record

Two cup vacuum gripper, two 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-2026-000056505) never changes.

Identity and time

Publication numberOT-2026-000056505 · never reused
Internal UUID01a0ae87-7af4-71f5-8f08-8d0e9b84921d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056505
StatusPUBLIC

Content hashes

Canonical text9e53ee1222ba6fe2df13c254f1c0f33b7f2e3c75b140572f089b179120366bec
Markdown9adb655cbb358a22ab7b9d48efd253e3d12bde7ac86ed7f954161590e3ef8d6e
PDF
Publication page22c89fadba0b768fc1283471b101df9b4bbb2a5ae89657b3e347c11cf7051cc3
Manifestb80d33c2fbd2ab7f62daba58c00bac5881eaed1ae0ace1f6ea982ac36238c317

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
Signature1yVM5yqypunzZixAJBUCklCsfxHLnV2qwDDJyQ8XoXB65zWIp0LSEG4ObxuwGIaSeRwZinvbRxWhX9lztlgcCw==
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

2026-09-17T10:49:49.561351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056505
observed 22c89fadba0b768fc1283471b101df9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.544465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056505/manifest.json
observed b80d33c2fbd2ab7f62daba58c00bac58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.527018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056505/publication.md
observed 9adb655cbb358a22ab7b9d48efd253e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.508656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056505/publication.txt
observed 9e53ee1222ba6fe2df13c254f1c0f33b...
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.