OpenTechnical

OT-2026-000103645

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000103645) never changes.

Identity and time

Publication numberOT-2026-000103645 · never reused
Internal UUID01a0aea4-e462-76df-bc87-4089d19b6e1d · 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-2026-000103645
StatusPUBLIC

Content hashes

Canonical text85ed98197c69765af7822e86b9d060734603d94b875bdfe33e56f5cbf45ece9d
Markdown3570e25512596f99a7388587bc094fa273767683ee678b5c471856270a50ed70
PDF
Publication page2995bdb0add78dcdea907e4f36e68563dece518aed894bcb005b040a5d5d9462
Manifest13fec26cfced53917edcc65bb587e71805cebba9fca4e6a627b0e8b914de489b

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
Signature/skWw6KxGbITTZ4SA6DMrtyRDUxV5LDIBxD5i2/fHLUu08rrdpU7MJb8bYy/gwxVOR8rqPEqMzxNIhStiFJ4Cg==
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

2026-09-17T09:22:26.593514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103645
observed 2995bdb0add78dcdea907e4f36e68563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.575682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103645/manifest.json
observed 13fec26cfced53917edcc65bb587e718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.557012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103645/publication.md
observed 3570e25512596f99a7388587bc094fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.537449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103645/publication.txt
observed 85ed98197c69765af7822e86b9d06073...
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.