OpenTechnical

OT-2026-000057501

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000057501) never changes.

Identity and time

Publication numberOT-2026-000057501 · never reused
Internal UUID01a0ae88-2692-7287-aefa-c90f0838453b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057501
StatusPUBLIC

Content hashes

Canonical text12d42db28bf271faa232128719abb3ee28c5b2f9ad25435a87320c0931719631
Markdown2cd41f0dc89f2fcfe67b4c78f5877e94c9a7980f8f3167a9141f6be20757c47f
PDF
Publication pagecd25c175aad45871263123d5984f48018cac83b9245b4fe655f32727093aadb8
Manifestd9225f795381c48481aab5d20f25e36c221e9910b5a19750b5e165e60cc4988f

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
SignatureSt6fE93gVUmTb4YMJ9376b7DPsA22mz7/x2TYhGZ0iu4SBKcpwZBxSE45viA1dL82AstNKUAMWt5HigBlwbKDA==
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...

Independent retrieval

2026-09-17T10:48:01.730576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057501
observed cd25c175aad45871263123d5984f4801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.712006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057501/manifest.json
observed d9225f795381c48481aab5d20f25e36c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.693138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057501/publication.md
observed 2cd41f0dc89f2fcfe67b4c78f5877e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.671913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057501/publication.txt
observed 12d42db28bf271faa232128719abb3ee...
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.