OpenTechnical

OT-2026-000102600

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000102600) never changes.

Identity and time

Publication numberOT-2026-000102600 · never reused
Internal UUID01a0aea4-858b-7ac9-91a2-25b3a6e936d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102600
StatusPUBLIC

Content hashes

Canonical text60da92995435752b92d8af183418bcc8d663b7272d961c7459b2a354ef56105f
Markdown4392d3632bff28a84d5b9b83232e637b98d539921532e926f377ba3cd6f80c74
PDF
Publication pagec2e4aaad1315181626cb516615dc5b527ba11a5170ff3c64c556f8854caf6c8f
Manifest4286a8b88b10c301e87434cf0a99d6fb14b1ebf9dfb203de0e7863aee240af25

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
SignatureSiIWXJSeaPm1FWqkTw/w1B394Q6SnYYFNlDSl+SxsyuocMVTENHxDIlVUgzBPb+NBjbRDr500ymYM00QyyhvCA==
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

2026-09-17T09:24:05.199535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102600
observed c2e4aaad1315181626cb516615dc5b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.179806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102600/manifest.json
observed 4286a8b88b10c301e87434cf0a99d6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.161130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102600/publication.md
observed 4392d3632bff28a84d5b9b83232e637b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.140556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102600/publication.txt
observed 60da92995435752b92d8af183418bcc8...
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.