OpenTechnical

OT-2026-000060374

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000060374) never changes.

Identity and time

Publication numberOT-2026-000060374 · never reused
Internal UUID01a0ae8a-b7ca-7afc-bb1f-3aa056f1a329 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060374
StatusPUBLIC

Content hashes

Canonical text62e6502aa93ac396f48447363fabb111487aaeb68d084e5a46161adfe2badcc5
Markdown89ffb7b45cde2c3ecfb6a7ecaa41b9ac73765407664d20beb2b4b5d78c807503
PDF
Publication page744db537307df381cbce5548ae2ee6f2bf760ca9923b0e0ef00d839ab714aedd
Manifestfce982439737f3945c056b455311d165e5ad5a4b1cd23e09b0366a0fd45beda3

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
SignaturepNP8jbSrnkcfOqgm+1/qgOGcZKf9BSzHTAvvkNcfAJHmBmyDEpans/V/z62ZODmjTis8MgDB1GtCyHlYEf4EDw==
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

2026-09-17T10:42:49.738910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060374
observed 744db537307df381cbce5548ae2ee6f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.719736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060374/manifest.json
observed fce982439737f3945c056b455311d165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.700012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060374/publication.md
observed 89ffb7b45cde2c3ecfb6a7ecaa41b9ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.683285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060374/publication.txt
observed 62e6502aa93ac396f48447363fabb111...
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.