OpenTechnical

OT-2026-000027843

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down

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-2026-000027843) never changes.

Identity and time

Publication numberOT-2026-000027843 · never reused
Internal UUID01a0ae72-a4a5-7e20-b7e6-5c05f44d4bc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027843
StatusPUBLIC

Content hashes

Canonical text75906d656daf0e7537cd1dc3654c68540443c95cc760e161469d9449b9df5c26
Markdown244e75694bfffaa5c333151773846793f128b5048d865a1969f457d3588253d2
PDF
Publication page0973cc957ba9a221a8365aa76d18fd0166c2b86b2682bb20d48f6fecba306d96
Manifest224519c850d7bfbf11cd26290d818f3153b87c0b72b9ef22d135618c2be776ec

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
Signature548e73H0ZgD5UO17xWJ9vJ76LCNB1JWE2Nzh3tj1eCJEjc2TFjBO34nHbOOzQtfin5suGftSp50IruPphPyKBQ==
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

2026-09-17T11:41:53.938165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027843
observed 0973cc957ba9a221a8365aa76d18fd01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.918990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027843/manifest.json
observed 224519c850d7bfbf11cd26290d818f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.901016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027843/publication.md
observed 244e75694bfffaa5c333151773846793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.883200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027843/publication.txt
observed 75906d656daf0e7537cd1dc3654c6854...
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.