OpenTechnical

OT-2026-000015464

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000015464) never changes.

Identity and time

Publication numberOT-2026-000015464 · never reused
Internal UUID01a0ae6d-ef4a-7d5c-9f74-272d06318b5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015464
StatusPUBLIC

Content hashes

Canonical text0d98a22c32d63ef24645b0e6472b32e5c9958d7b2ecaf85f94f030cc6637f45c
Markdown7d58833333245d32fabeb52d03677949eaa10d53c05c3bf44b879e6024ce05ad
PDF
Publication page26640115d2c2de681c594dbcdd655a19ecaea309f42ff49973440b5c35437a7a
Manifest35fc2034329e11ac5376870cc655ca66681f173b482b2bca7df9c50d45ce8b8c

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
SignaturedI9+FV+7tyKdKfKdqsPcIJ2Nj5hsuL9NE1IrbdocpUUzt3C5kOcJr0ChtrERkN9PsRRoesn+qIqX2m/DmVrNAQ==
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

2026-09-17T12:06:13.010259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015464
observed 26640115d2c2de681c594dbcdd655a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.990094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015464/manifest.json
observed 35fc2034329e11ac5376870cc655ca66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.971557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015464/publication.md
observed 7d58833333245d32fabeb52d03677949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.951621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015464/publication.txt
observed 0d98a22c32d63ef24645b0e6472b32e5...
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.