OpenTechnical

OT-2026-000059785

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000059785) never changes.

Identity and time

Publication numberOT-2026-000059785 · never reused
Internal UUID01a0ae89-ec25-73f1-bbfe-307f21e53d1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059785
StatusPUBLIC

Content hashes

Canonical textea1b4bddc3dc84c9dc454381589d0a41c6dc795bc86bf3ae85d44db1baae4391
Markdown7f463db518db2bc1e4c1b45d778ad48e354aa389bb51c214b7b7727b59059e9f
PDF
Publication page317eeb4810cf44a92773fdb46410c02529e3a5c957d726e8d083a5bcc53a3750
Manifest980c1e849c769af20029818c9c67301a817ec974f08afb66befc708dfd0bba37

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
SignatureyYbdq/JkkbS2nNi8wblj4Jum9RCMNdWyVn09IIIVrt8hmZosSee7jxuTfFGjjs0/NDDT5mQdopsGxywdig7TDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:30.959815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059785
observed 317eeb4810cf44a92773fdb46410c025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:30.941618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059785/manifest.json
observed 980c1e849c769af20029818c9c67301a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:30.921657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059785/publication.md
observed 7f463db518db2bc1e4c1b45d778ad48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:30.902429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059785/publication.txt
observed ea1b4bddc3dc84c9dc454381589d0a41...
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.