OpenTechnical

OT-2026-000034473

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000034473) never changes.

Identity and time

Publication numberOT-2026-000034473 · never reused
Internal UUID01a0ae76-1ed0-74ad-8bc8-704af193e717 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034473
StatusPUBLIC

Content hashes

Canonical text394799c3fbb4e8e96ee0b33f52e8798d4443b27fb6be29d44f5d703fdadb279d
Markdown3d25d19fc7d52828b5a328eef7009bf795578315dd9d884dfd8f19f8c65bb2e9
PDF
Publication page2fbf5977cfda4abd387c303e0173ea1aba3de21cf33d5384bed23b94882abd07
Manifestd71d74e56e8e62a35aabdcbf4def937a0b0299872f0e6b37cc438fd22025624a

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
SignatureIOp08srXyGTOrNiBP9OgTRwf0HVPpbY/OZM/1Hj1HjNAn5xe+6KtMyKwdSQAs5lZdazOoPqGI+5Gv18IhNrfCg==
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

2026-09-17T11:28:48.131010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034473
observed 2fbf5977cfda4abd387c303e0173ea1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.112057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034473/manifest.json
observed d71d74e56e8e62a35aabdcbf4def937a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.095127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034473/publication.md
observed 3d25d19fc7d52828b5a328eef7009bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.078566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034473/publication.txt
observed 394799c3fbb4e8e96ee0b33f52e8798d...
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.