OpenTechnical

OT-2026-000103455

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000103455) never changes.

Identity and time

Publication numberOT-2026-000103455 · never reused
Internal UUID01a0aea4-e460-7e80-b6a5-6450957ded20 · 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-2026-000103455
StatusPUBLIC

Content hashes

Canonical textc438cd19489191b7212cfb4846b66438739c6f3324c8174d6510b29d7ed1f093
Markdown82f242d6d75f61b01a162d09baf1e8af281f9ac105fc76dda4de1b740aa26723
PDF
Publication paged938677be40ea64243224cf494998cfbfbf1b9729d5029f8fd6e6afc7816e692
Manifest9fb0e1364b3eaa9390faff149a3d0d22b41cc1f23a2e9a92db3d98b7a33f6cfd

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
SignaturesGdagSwDGAzOUxxAmWB80XPo+OlyT2XDAFX6zdRXsZocNM3UfcbaqXpthX43zVUyp+yktQw2aReAyA3spJQCDQ==
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

2026-09-17T09:22:12.676153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103455
observed d938677be40ea64243224cf494998cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.659612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103455/manifest.json
observed 9fb0e1364b3eaa9390faff149a3d0d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.643251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103455/publication.md
observed 82f242d6d75f61b01a162d09baf1e8af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.627425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103455/publication.txt
observed c438cd19489191b7212cfb4846b66438...
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.