OpenTechnical

OT-2026-000040021

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000040021) never changes.

Identity and time

Publication numberOT-2026-000040021 · never reused
Internal UUID01a0ae79-26fc-7ff2-8717-91d7d18e7220 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040021
StatusPUBLIC

Content hashes

Canonical texta1706d16b8b8e90dba7e3c623682b21767d1f9b097d305602651ad15abb6cf95
Markdownb2367811592ab40fc3d5e1fe9e4084fc2820c699a993534ba76d555e7829b0ce
PDF
Publication page960e28050e1e6fcde58a779a0420440a5789cbda9a651c72307428a3a2449060
Manifestd778e0f70794efb4539ad55f2a73943b05321b93866c9c5d6a8704f916f810f2

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
SignatureFOd8kV8ja8vxzomYizxuboP4YWaJKt/dTFN2/SkK2Jas5ied8omWlszlkJg+weF8pE8eZ9eh30e0maXsZG6+Bg==
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

2026-09-17T11:20:33.097567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040021
observed 960e28050e1e6fcde58a779a0420440a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.078010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040021/manifest.json
observed d778e0f70794efb4539ad55f2a73943b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.058182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040021/publication.md
observed b2367811592ab40fc3d5e1fe9e4084fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.039813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040021/publication.txt
observed a1706d16b8b8e90dba7e3c623682b217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:51.124649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040021
observed 960e28050e1e6fcde58a779a0420440a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:51.107730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040021/manifest.json
observed d778e0f70794efb4539ad55f2a73943b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:51.088875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040021/publication.md
observed b2367811592ab40fc3d5e1fe9e4084fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:51.070964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040021/publication.txt
observed a1706d16b8b8e90dba7e3c623682b217...
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.