OpenTechnical

OT-2026-000097104

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, sustained 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-2026-000097104) never changes.

Identity and time

Publication numberOT-2026-000097104 · never reused
Internal UUID01a0aea1-01c9-7d9f-b8bd-250aab8a812d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097104
StatusPUBLIC

Content hashes

Canonical text6c073fbe1e30916aad71ac98c1824f3f78f630553bf3e544ff6c0d34a9c72612
Markdownb14c4bc4b1827e9026d0d512f9e7f0d48266fea0f613da3a520e100901939362
PDF
Publication pagec48247688b24824d177654a7399713607c635ece11b6b4636f6d3ca7a1b4f830
Manifest369558840f4c5d48dd5b617d0bdc5fd43cee3f6a8ffb631f84c947098300a6ad

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
SignaturedrOhzTO0KQzSRLNYwiax0Q3+8hU3kmILWlJbxJR1bOojx66lI0lXKbKhJ5WnYILIMThxul9hpch6z84SyUgdAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:44.396648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097104
observed c48247688b24824d177654a739971360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:44.380854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097104/manifest.json
observed 369558840f4c5d48dd5b617d0bdc5fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:44.362011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097104/publication.md
observed b14c4bc4b1827e9026d0d512f9e7f0d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:44.340878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097104/publication.txt
observed 6c073fbe1e30916aad71ac98c1824f3f...
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.