OpenTechnical

OT-2026-000023393

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000023393) never changes.

Identity and time

Publication numberOT-2026-000023393 · never reused
Internal UUID01a0ae70-7268-7357-8c71-80e25cdd3d4b · 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-2026-000023393
StatusPUBLIC

Content hashes

Canonical text2d70dbe3e0aed5c6ca25a00412ecda9ee4014a84e73a09d78e0283e91f5555cd
Markdowne76fa12ba15f4abef36d0501c6998256c47ff2ceeb5ead6753d6505c988627b4
PDF
Publication page94b87ec1e8a03de1c13ec1ecc381d6abf14acae78ea90590724b891a59102918
Manifest070573ac2dac451f156f03088ee8e0c54245e903d6a09be58600bd1e9fe97b1d

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
SignaturezrNeZZ01lVvTzbRnuCs4ZueM2f+bD/0Mmw7bZFWqpZ92HrIlQaUZuyqM8jzK2prh77Jgq+5Y9ACFK5DAVRimBw==
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

2026-09-17T11:51:35.766425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023393
observed 94b87ec1e8a03de1c13ec1ecc381d6ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.749656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023393/manifest.json
observed 070573ac2dac451f156f03088ee8e0c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.732565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023393/publication.md
observed e76fa12ba15f4abef36d0501c6998256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.715231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023393/publication.txt
observed 2d70dbe3e0aed5c6ca25a00412ecda9e...
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.