OpenTechnical

OT-2026-000010055

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000010055) never changes.

Identity and time

Publication numberOT-2026-000010055 · never reused
Internal UUID01a0ae6b-cb79-7448-b6c8-c18bd4292e46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010055
StatusPUBLIC

Content hashes

Canonical text8984d62275f0022bc13ab7430315ba45bbf83b2421a1ac1db9801eff16138dc4
Markdownb2476c053e544c6f3b5244a7fe782e66c22cdaaea209b3008eef05f23d0a980d
PDF
Publication page97539d194d25b7f8fba873988947458f7f916a1799b68b2da6d95ac891e7c3d3
Manifest1d896677c393b2670c0f0052b8a9939a1fad3c2fc7364a872e5def41f1f50216

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
SignatureMXbNiR+zgmEM718tqbAc40BXEYR2Df/mQMf6k9LMJmSbjGyQURxdDydlPiDEEa9pnZwEMoi1l/OmD8cMLvWJBw==
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

2026-09-17T12:16:07.575869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010055
observed 97539d194d25b7f8fba873988947458f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:07.555661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010055/manifest.json
observed 1d896677c393b2670c0f0052b8a9939a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:07.536167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010055/publication.md
observed b2476c053e544c6f3b5244a7fe782e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:07.512597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010055/publication.txt
observed 8984d62275f0022bc13ab7430315ba45...
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.