OpenTechnical

OT-2026-000095770

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000095770) never changes.

Identity and time

Publication numberOT-2026-000095770 · never reused
Internal UUID01a0ae9f-fac6-7a00-a0a3-c888fffe3f42 · 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-2026-000095770
StatusPUBLIC

Content hashes

Canonical text7fffaa3176d8597c35dad3f3cf10d091c5aacde04d403b1fc2cc5bfb77142553
Markdown7d6fced4a5afaef93495fd1a00b2a063f8e229a0d0ba7a23289b5929882bfb83
PDF
Publication page5df76f7c72e90f33d23a52de784ef1406fb77881afaf985a9bcff133c364bf5e
Manifest49bb1fb91e43055f0edf21b6caf4895af69de0719e08f8cbd579033eea078787

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
SignatureiFO60SsH9HFxo/8S932DNEpDRwir16SDmf37Zn1Kd+ZNlHjBWP1hl9gr2PhhvHwF6iT328j1Or4e9JhJkNjRAQ==
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

2026-09-17T09:35:50.068895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095770
observed 5df76f7c72e90f33d23a52de784ef140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.048639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095770/manifest.json
observed 49bb1fb91e43055f0edf21b6caf4895a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.030701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095770/publication.md
observed 7d6fced4a5afaef93495fd1a00b2a063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.011939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095770/publication.txt
observed 7fffaa3176d8597c35dad3f3cf10d091...
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.