OpenTechnical

OT-2026-000033862

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000033862) never changes.

Identity and time

Publication numberOT-2026-000033862 · never reused
Internal UUID01a0ae75-a391-7268-be1f-85b653c219b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033862
StatusPUBLIC

Content hashes

Canonical text97b2bd535a1b15755a360b54560879972c3fe8097e05cc4432d6595101e57d89
Markdown36dcb0f3e87b4e2231a55fac4e9ec1a6d61039fbe4eecac4d1ec5b50f20db7e8
PDF
Publication pageacf7f1d2171363a4838b691ba13c14ee4cc70d2e045a694c8b67c4dcc94e8391
Manifest75eaa550757a822032fedc009d1ea5354c21046fdba3b442a9b5de10064e0b06

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
SignaturetwMf8d5vjPXIqRKlPhRu0EMS3ZLCjyQC9O3C6+xlJw7XAQlTh8qwjogr0WiyFoxOb+WwN7/6BsKI6A2VBpH9Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:55.487438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033862
observed acf7f1d2171363a4838b691ba13c14ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:55.467869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033862/manifest.json
observed 75eaa550757a822032fedc009d1ea535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:55.449527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033862/publication.md
observed 36dcb0f3e87b4e2231a55fac4e9ec1a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:55.429724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033862/publication.txt
observed 97b2bd535a1b15755a360b5456087997...
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.