OpenTechnical

OT-2026-000103481

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pulsed blow-off after 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-2026-000103481) never changes.

Identity and time

Publication numberOT-2026-000103481 · never reused
Internal UUID01a0aea4-e460-7dff-adcb-b79a1831ef74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103481
StatusPUBLIC

Content hashes

Canonical textdece621e264bbb3a50e38366a777c566c6f2339bbbaaa21e7313ee87d1550bd0
Markdown9226fe4ab436431f6bd31424d534d284ea8c8ade6593404051b7d45a96a65917
PDF
Publication pagee9bc7d77eb25565e075d933762ad0df2c049765e702273f1ffa079ea5dd173d5
Manifest10082dc80cfa733fa74c7089fadfcc319bb48f840d060c3230f8cc0036802ce2

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
SignaturehY+axb13SQg2PJiwAfpgn5D6yyKpwJ0ql255W/3Hn/KRT2sVAJ6az8N37ZPUfNeKotQr6nRAUvA8J+rzGnz8CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:14.592225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103481
observed e9bc7d77eb25565e075d933762ad0df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.573605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103481/manifest.json
observed 10082dc80cfa733fa74c7089fadfcc31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.555310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103481/publication.md
observed 9226fe4ab436431f6bd31424d534d284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.536373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103481/publication.txt
observed dece621e264bbb3a50e38366a777c566...
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.