OpenTechnical

OT-2026-000084438

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, sustained 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-2026-000084438) never changes.

Identity and time

Publication numberOT-2026-000084438 · never reused
Internal UUID01a0ae98-5b63-7885-bc05-6085ea6c2ac9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084438
StatusPUBLIC

Content hashes

Canonical text4de3b65d255babd54b3bcff6a54acc922481cee1efd1820289f08c3cc28c1c09
Markdowne88a1bc44cce5018bc371fa63cf9792248c856eb4187f4c774aedadabbe98b21
PDF
Publication page20c1a581695a7fb5d522e1afc963052435ab0b56681f5051b14d340838e80c49
Manifest1e1e69674cbe3a992a3d0723ba2c9345b1f23543718db34dea56b53d7863cdae

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
SignatureL3o8m6mUkrKA2uKLm07595kJuLYkrq2u+eOsWRKbpsc1ggddaZQMUXnNEkCMw3bwwwzaKISNog9LTdxgg9KBAA==
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

2026-09-17T09:56:23.541564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084438
observed 20c1a581695a7fb5d522e1afc9630524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.524802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084438/manifest.json
observed 1e1e69674cbe3a992a3d0723ba2c9345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.507067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084438/publication.md
observed e88a1bc44cce5018bc371fa63cf97922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.490062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084438/publication.txt
observed 4de3b65d255babd54b3bcff6a54acc92...
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.