OpenTechnical

OT-2026-000077720

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000077720) never changes.

Identity and time

Publication numberOT-2026-000077720 · never reused
Internal UUID01a0ae95-2ecf-7710-ad69-cf75528a3d26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077720
StatusPUBLIC

Content hashes

Canonical text40089dfc8301077fa78adfc4b11266568d44a3f7da2bfbb1e633e58929586d57
Markdown02739efc4d905d84dac8b896e43d0505f10333ca22ae061a783ec9e196ab755f
PDF
Publication pagec17bd09cffafc9a9bff062bb6877958f338f0071af8b640417865dd2637aaa3a
Manifest1d1204119eacc0240986b61c7b482b0f6bc5f33af5bbf02d6b3e9cd79012023d

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
SignatureUQxuGIqlbXYjx3gcGvPKW+wwLgc+9RSZyjtL1K9a1HnC5RsJN3mP+5ThNYEAqdOeRRdnca7lBebEWrSkSWChCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:17.828939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077720
observed c17bd09cffafc9a9bff062bb6877958f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.808550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077720/manifest.json
observed 1d1204119eacc0240986b61c7b482b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.790483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077720/publication.md
observed 02739efc4d905d84dac8b896e43d0505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.771492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077720/publication.txt
observed 40089dfc8301077fa78adfc4b1126656...
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.