OpenTechnical

OT-2026-000103667

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump 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-2026-000103667) never changes.

Identity and time

Publication numberOT-2026-000103667 · never reused
Internal UUID01a0aea4-e462-7775-bbe9-dde2a0d873eb · 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-2026-000103667
StatusPUBLIC

Content hashes

Canonical text4b1c699bd9748980e62ad6022cfd5e03bb9b0b03a5858c34c508a4f8b9973cd8
Markdown1cac4c7c70d065ca1a4195c32584562439e3c820a53682702062c73c88c2b3ae
PDF
Publication page08f2767b08dc6304022d86842caf1d6696764b983e69f6db3aa807bbdbd0349b
Manifestab065eddcf37d0ad9c3278ace26e4c203b3a5a2cdf1fd204f05c400888d92be2

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
SignatureXB9t2i0tWczR2/YF8q517QKitaEoyfM47gNXxpievMln0l7p7yIaH44Ywzujvuj5hyznOF+sVkVji0DGxokgCQ==
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

2026-09-17T09:22:28.092501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103667
observed 08f2767b08dc6304022d86842caf1d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.076608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103667/manifest.json
observed ab065eddcf37d0ad9c3278ace26e4c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.059970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103667/publication.md
observed 1cac4c7c70d065ca1a4195c325845624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.042892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103667/publication.txt
observed 4b1c699bd9748980e62ad6022cfd5e03...
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.