OpenTechnical

OT-2026-000103602

Publication integrity record

Four cup vacuum gripper, four 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-2026-000103602) never changes.

Identity and time

Publication numberOT-2026-000103602 · never reused
Internal UUID01a0aea4-e461-7fd7-a166-cf9a735cba27 · 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-2026-000103602
StatusPUBLIC

Content hashes

Canonical textc0b49f4434bb69d4fffda924bb090dc0d27c17d401607e13da38c16e70cde203
Markdown439f9794d571778c7b8f682177a3a50398b6a50c4eeb14293bfbd2591b6a4fc4
PDF
Publication page592d3eebd3609de7a5e6c31f38118dcdea1e9041c432c4075b3c706fe17664d0
Manifestac8965d35bd049a032d2cc4f05eff925d774a448aeb2ea260966391992495de5

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
Signature7eVvNOlcRzEKLoZ44DYz9xntKjywFJiqrwWoPHLxDcxv3vNEiAUF9hI+U+TWWao511BJVwJbNt89YnkCC9vwAQ==
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

2026-09-17T09:22:23.511833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103602
observed 592d3eebd3609de7a5e6c31f38118dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.494863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103602/manifest.json
observed ac8965d35bd049a032d2cc4f05eff925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.477847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103602/publication.md
observed 439f9794d571778c7b8f682177a3a503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.461655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103602/publication.txt
observed c0b49f4434bb69d4fffda924bb090dc0...
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.