OpenTechnical

OT-2026-000054029

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before 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-2026-000054029) never changes.

Identity and time

Publication numberOT-2026-000054029 · never reused
Internal UUID01a0ae85-b3a7-7fd6-b4ac-fe4a298ff7be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054029
StatusPUBLIC

Content hashes

Canonical textf9a77b035ba0671b929bb894a096888888184c6b072bbcc2634e7cecf018a731
Markdownb5446c7a563c8ec77317f837132adb086374f8e7f6eb00d7ad9e56404f292e09
PDF
Publication paged94d738bc6274b4704fdf5476065eaadf5223ceb9496e73e2440fbd0dbaf7ece
Manifest38d34ea0982f2b281506b83df0b625c23ac4672c7e1ecd08023a819fc0ca9eb0

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
Signaturenfcu+IQIBevVSPiWcJnZ7TzBa503nSNHJPSl+32mmU3EAtadEOP1PfyIK58HUtQK7PgrbisXmdXnjKLhcAbkBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:23.573491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054029
observed d94d738bc6274b4704fdf5476065eaad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.551636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054029/manifest.json
observed 38d34ea0982f2b281506b83df0b625c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.530235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054029/publication.md
observed b5446c7a563c8ec77317f837132adb08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.507626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054029/publication.txt
observed f9a77b035ba0671b929bb894a0968888...
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.