OpenTechnical

OT-2026-000095650

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000095650) never changes.

Identity and time

Publication numberOT-2026-000095650 · never reused
Internal UUID01a0ae9f-fac4-7f90-8135-fcf33edf0873 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095650
StatusPUBLIC

Content hashes

Canonical text575c1bc9344ce2f6ef8b48690e1d59dab6d43186ed4c3cc32dc465fab9a7340a
Markdown7a9c568fde52a86a45640790f5f7bb61c521126336d3205e9d97915bc7ec7c2e
PDF
Publication pageda1c25d5562268eaff16516046b40acc6e03c9b7a86f5da3bdecb3a77abef6d7
Manifestbd7ca7208b3e0e8e19d34aae816b4b897f33ef37275440987773d3362963cc1f

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
SignatureRIryXquB0VdfIdNmChWJiy23PHz69m3hQy+eqAKqRdBdhZftP4gtW3tuL+zWpE8BGfS8n1/MDAT+hS1/uN/DAw==
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

2026-09-17T09:35:07.002617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095650
observed da1c25d5562268eaff16516046b40acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.985394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095650/manifest.json
observed bd7ca7208b3e0e8e19d34aae816b4b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.966219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095650/publication.md
observed 7a9c568fde52a86a45640790f5f7bb61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.946615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095650/publication.txt
observed 575c1bc9344ce2f6ef8b48690e1d59da...
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.