OpenTechnical

OT-2026-000047577

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000047577) never changes.

Identity and time

Publication numberOT-2026-000047577 · never reused
Internal UUID01a0ae7f-3e59-770a-ae7c-c3ea9857dde6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047577
StatusPUBLIC

Content hashes

Canonical text40d89e1bfb3e311aabe9b065a5a511b5faa1e11a72e9fd96a1d496c20f131089
Markdowndd3240f8ec9151eb9eb96a2ee8672219945a1229b9dfef687198b82a6ca9807a
PDF
Publication page8d2d18d1313c4c9326ca61f034dac916395366f87e464c4581f90479ef3f94bc
Manifest601fe321e7aadcc77c299c7ba7987b3216658f9d6b3aa7d6cf79dec5272c1bba

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
SignatureOUcTSNwj47Exgoc4H+bFNEVkNPlGf0BVNWGK5qXRMGQpEoz2mqqxWVg9uCwpZFb5xtE554udNX2inKIEj51wAw==
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

2026-09-17T11:06:42.356219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047577
observed 8d2d18d1313c4c9326ca61f034dac916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.335355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047577/manifest.json
observed 601fe321e7aadcc77c299c7ba7987b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.316208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047577/publication.md
observed dd3240f8ec9151eb9eb96a2ee8672219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.298340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047577/publication.txt
observed 40d89e1bfb3e311aabe9b065a5a511b5...
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.