OpenTechnical

OT-2026-000077907

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000077907) never changes.

Identity and time

Publication numberOT-2026-000077907 · never reused
Internal UUID01a0ae95-2ed1-778e-80dc-52a9a6f13878 · 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-2026-000077907
StatusPUBLIC

Content hashes

Canonical texteabee82274c2b0207a1fd6aefeadbeb49c62c1c01c7e7481885d8c9665bb5c36
Markdown8020affb892caf3e33542080e661577c0fcd885bbee58279ff56593559a34f59
PDF
Publication page77c1d63435aa6744bde09a7930f52777075e045fe787d23c55f797767dc2f83e
Manifest1dfecdd8dee7b6527c98c5d6e6bec162fbbebcf06ec658aa439b2297279105e2

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
SignatureSGzM8p464hxEsSjpagbq/j9qrDhijLDGWkJifr3u6OHfR+sSwYrcUsJlCxqZttiq/jgwv9eE2T0QLhP/LOv8BQ==
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

2026-09-17T10:07:39.399178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077907
observed 77c1d63435aa6744bde09a7930f52777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:39.380467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077907/manifest.json
observed 1dfecdd8dee7b6527c98c5d6e6bec162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:39.362367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077907/publication.md
observed 8020affb892caf3e33542080e661577c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:39.344446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077907/publication.txt
observed eabee82274c2b0207a1fd6aefeadbeb4...
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.