OpenTechnical

OT-2026-000052996

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000052996) never changes.

Identity and time

Publication numberOT-2026-000052996 · never reused
Internal UUID01a0ae84-a430-7cba-bcad-6a9607b592ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052996
StatusPUBLIC

Content hashes

Canonical text54898f45926fde5701ff5d75fea2a0cb330c265ee6766a2012015859e6da9625
Markdown31471a4f6e024d59e419275c9e4b280ee84f59edca5a197abceec8bafd02c8cc
PDF
Publication page69a835fd86471d17081a3cb18ed5173a4b95f4fb4a1ce6645dec822f6edb1e37
Manifestd0447862f9802ba4ddaa83045bae589a05da8a67ebe019f80242ad21afb7b34b

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
SignatureJ9G7aIMEMGEU4XdaS9711VYb+kgXCMmEM69m5g3g+e2E4WrmE2spZGhI+TytcNYgiWVaC5mfeO15xwrs+1KECQ==
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

2026-09-17T10:56:41.447954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052996
observed 69a835fd86471d17081a3cb18ed5173a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:41.431790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052996/manifest.json
observed d0447862f9802ba4ddaa83045bae589a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:41.414373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052996/publication.md
observed 31471a4f6e024d59e419275c9e4b280e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:41.392828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052996/publication.txt
observed 54898f45926fde5701ff5d75fea2a0cb...
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.