OpenTechnical

OT-2026-000041113

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000041113) never changes.

Identity and time

Publication numberOT-2026-000041113 · never reused
Internal UUID01a0ae79-b142-7bfc-9e4c-8dba4ffea37a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041113
StatusPUBLIC

Content hashes

Canonical textfb9b3d562f3d7453d9b5c6edd46a2de8ccba16110710efb380bbb7ceed7f14b2
Markdown896010c27fc8c2ee39f9bc3ca3a0397bc8432022e6d80743300f8ba4312f584a
PDF
Publication pagef7d8f75125210e97e4ff2ceb8272a5dc9d628ec7acbfd459c955c3fe42c9d265
Manifest234cebe6b5e3527a81010f09d23252becd752d1c73d0a62abfbedd7e241d7a2f

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
SignaturepjLq4+jvYAhcfx8SuWzWRqcDz/qpPr7m+ORYYK16naC/m862xvCs/hswng2s+8JooDkvNCnNSLrqGzL9T+5XBA==
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

2026-09-17T11:17:02.727186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041113
observed f7d8f75125210e97e4ff2ceb8272a5dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:02.709269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041113/manifest.json
observed 234cebe6b5e3527a81010f09d23252be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:02.689316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041113/publication.md
observed 896010c27fc8c2ee39f9bc3ca3a0397b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:02.669675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041113/publication.txt
observed fb9b3d562f3d7453d9b5c6edd46a2de8...
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.