OpenTechnical

OT-2026-000067441

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000067441) never changes.

Identity and time

Publication numberOT-2026-000067441 · never reused
Internal UUID01a0ae8f-6bd9-7739-8d01-55723ba09475 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067441
StatusPUBLIC

Content hashes

Canonical text12219b0fade87de085e0c3173008201abed0679c9dfaf63d62f7f7e18c122639
Markdown85b914753f9040eae46b03f599144f35f7f4e6b22105c6227528ce55592b1efe
PDF
Publication page12dfafc38e1e896d9a1012d65448653d3b3f2e9b3a3f291da6bbe047cdb7fb03
Manifest4a7e98e3de609c411fac40c8ffcc135959257c292fac2a368c784d07ada0a0ca

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
SignatureJ5BMYXztje6Uu/r159Pfwy/ZTjRLcImWysKMb7uWjE4/gT/OqDMKo/6sSIcv6VFCu6WckmI3V6GJRzHppkTICA==
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

2026-09-17T10:31:38.680664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067441
observed 12dfafc38e1e896d9a1012d65448653d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.663155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067441/manifest.json
observed 4a7e98e3de609c411fac40c8ffcc1359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.645110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067441/publication.md
observed 85b914753f9040eae46b03f599144f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.627683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067441/publication.txt
observed 12219b0fade87de085e0c3173008201a...
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.