OpenTechnical

OT-2026-000053549

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000053549) never changes.

Identity and time

Publication numberOT-2026-000053549 · never reused
Internal UUID01a0ae85-0a92-7cbd-9f5d-4f20195303f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053549
StatusPUBLIC

Content hashes

Canonical text68079f9111731201641d324e583e8617f4f1dc8d847d4f08123d37548e1f515d
Markdown754025776d838340281f41a461951482ffe7fe8c49ece984c7d1ede0680b0077
PDF
Publication page396eb055ac3888bde9ccd16f9ce006668d26240ee13a09451bf8138e60dcb837
Manifest53e63a9b3d7647e3bc498fc91ee19c9ed8c3632bc4a392398631dce9f9f97716

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
SignatureYAX4xeZH+J4Tkvltv8sfMisQvSxy1Y/3kl81Yj5cnBw4YYNQOvQPWjPA83GfpTwl7kkkTC/92g89iDG3YK92DQ==
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

2026-09-17T10:55:24.417491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053549
observed 396eb055ac3888bde9ccd16f9ce00666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:24.400276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053549/manifest.json
observed 53e63a9b3d7647e3bc498fc91ee19c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:24.381550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053549/publication.md
observed 754025776d838340281f41a461951482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:24.364437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053549/publication.txt
observed 68079f9111731201641d324e583e8617...
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.