OpenTechnical

OT-2026-000044361

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000044361) never changes.

Identity and time

Publication numberOT-2026-000044361 · never reused
Internal UUID01a0ae7c-39d7-7df2-ad54-5dcd28dcbf80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044361
StatusPUBLIC

Content hashes

Canonical textb0eac89d35c82648b12af5a91afa270067875854bb57766019c7248bc01f3370
Markdown0f5a2c3f3aa67d87f893ac0f7f2cfcd93e2b01019828d6200635d3c4f9a200f6
PDF
Publication page5879c20977cda5ba477542c350b2c7ef03af99266dadcd6028100a83c270d76f
Manifest85f5434263507ab3dadf39ff9e70a42f19d3a8b4bd0956427a1cf0ed01e292b5

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
Signature9mJkOuQiuhUwZnjc/3j7TqW0ZpFrLPQwYJ3rHvtAEX3JLWIxT90HpqcjtgV6bjjA1okc0ORNfVtpAaEZC+i9Cg==
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

2026-09-17T08:30:29.012028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044361
observed 5879c20977cda5ba477542c350b2c7ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:28.993342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044361/manifest.json
observed 85f5434263507ab3dadf39ff9e70a42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:28.974129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044361/publication.md
observed 0f5a2c3f3aa67d87f893ac0f7f2cfcd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:28.832026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044361/publication.txt
observed b0eac89d35c82648b12af5a91afa2700...
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.