OpenTechnical

OT-2026-000023125

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000023125) never changes.

Identity and time

Publication numberOT-2026-000023125 · never reused
Internal UUID01a0ae70-7266-76a1-876f-47b6636778ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023125
StatusPUBLIC

Content hashes

Canonical texta9303b0aef8b947a212d5c904f45c06390d1a23a8ef33684bd7b2cf149c14b70
Markdown5a5a0a49619d71966c10221bfc1dd95ef58b2a7007c08e7a296a4eb89f84d9b6
PDF
Publication paged78a8121bba09a45dc76bba64d567b2295cd80f79d31dd7c25177504db1af634
Manifest38f35d7b6b19cbc16107a1c84df96bddd81e7032280522505b2086391129e92e

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
Signature1MTAoalOEdAbkwSXlhffo2jwnwvKXvZJ8vdvEEuelAtt+4sfE86RpNxUDTfaQS/rcxTjZrvUWKAjp3KEuPP7Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:03.225403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023125
observed d78a8121bba09a45dc76bba64d567b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.206873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023125/manifest.json
observed 38f35d7b6b19cbc16107a1c84df96bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.187618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023125/publication.md
observed 5a5a0a49619d71966c10221bfc1dd95e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.169173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023125/publication.txt
observed a9303b0aef8b947a212d5c904f45c063...
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.