OpenTechnical

OT-2026-000061623

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000061623) never changes.

Identity and time

Publication numberOT-2026-000061623 · never reused
Internal UUID01a0ae8b-7b45-7094-ab8f-c3bae8325d87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061623
StatusPUBLIC

Content hashes

Canonical textcde3ca16ecb7a2a3755adbd6e3bacafc96d57c693a057346d8a99d3bf69e8437
Markdown4c68dfe0b739e75675ee1a720b7957978dc37bee633745e39eca9dc0ff607e0d
PDF
Publication page65f8b78e419f3da02dba5b443b172d5e2c9e8d7de55fe7225ffd61af43e8381a
Manifestbb8006aba0d9dcda0e886afba829a130e0308a67ab593e65ecf28ed15eb4d293

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
Signaturer1LiU9NKs7H+Fr4CkfVd44B9err2T504zc/KDvxbuhJRZ2H1phuIC2lfvHlVIPXshkHVtc6cfKeN/nyPErQeDg==
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

2026-09-17T10:41:33.423676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061623
observed 65f8b78e419f3da02dba5b443b172d5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.404926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061623/manifest.json
observed bb8006aba0d9dcda0e886afba829a130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.384477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061623/publication.md
observed 4c68dfe0b739e75675ee1a720b795797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.365543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061623/publication.txt
observed cde3ca16ecb7a2a3755adbd6e3bacafc...
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.