OpenTechnical

OT-2026-000104108

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after set-down

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-2026-000104108) never changes.

Identity and time

Publication numberOT-2026-000104108 · never reused
Internal UUID01a0aea5-341f-7069-876c-810bdd080f56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104108
StatusPUBLIC

Content hashes

Canonical text31ddddbe56f1cc25d039c2aaa3da9c93e1e1ca42ef6fd82d4276cb006320d86b
Markdown655a3a84fa65c47a629de4d17ea2585370069a8cbc4d20b26a99ff43fc1d98c5
PDF
Publication pageeb2c4b1d968c5bda07f46942e52a989f82d839fde4406a55a7f5129788c3f369
Manifeste871b3acdce88ad69f2404dd6efaf74bc1d3482849ecd1455a4cb4dd0e900073

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
Signaturer99VfznDt2psH0Q+2ks7kiQVL1OXsJjVpNRuYwJColOfB5VmEIh5w2mezjY/fHobxUaIlpm//e4uLuGcfT91DA==
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

2026-09-17T09:20:10.976596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104108
observed eb2c4b1d968c5bda07f46942e52a989f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.958586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104108/manifest.json
observed e871b3acdce88ad69f2404dd6efaf74b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.940759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104108/publication.md
observed 655a3a84fa65c47a629de4d17ea25853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.922147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104108/publication.txt
observed 31ddddbe56f1cc25d039c2aaa3da9c93...
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.