OpenTechnical

OT-2026-000087604

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000087604) never changes.

Identity and time

Publication numberOT-2026-000087604 · never reused
Internal UUID01a0ae9a-cd53-73d0-aaa5-841ba1227e8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087604
StatusPUBLIC

Content hashes

Canonical text86f0a4c89f8ec3ec66bfe64e455b6c28af92a06cb03b53b859ca9bf7d18f1eca
Markdown44909328b8528c0475a665166eba790064b9a00b71b1e15aefebfef7afb0985f
PDF
Publication page95545fdebcef4026686fc9b45f10b350b47a9b2c44331d64365b1e965bbe895b
Manifest112c10e805e64c7bdfbc1d1190b632866b86a849dad2feba58ee3da02715309c

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
Signature7rduYj3Ro8i85020HBEpBLt55dAXyok/xHUkl5u9BE2rXk4wSIBfYHNX3zrl15varPhhfHp6KGg2mDKVtJtBCQ==
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

2026-09-17T09:51:02.643885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087604
observed 95545fdebcef4026686fc9b45f10b350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.626943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087604/manifest.json
observed 112c10e805e64c7bdfbc1d1190b63286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.609115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087604/publication.md
observed 44909328b8528c0475a665166eba7900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.592673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087604/publication.txt
observed 86f0a4c89f8ec3ec66bfe64e455b6c28...
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.