OpenTechnical

OT-2026-000044782

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000044782) never changes.

Identity and time

Publication numberOT-2026-000044782 · never reused
Internal UUID01a0ae7c-911b-7d38-9427-1e75dcfcbe46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044782
StatusPUBLIC

Content hashes

Canonical textc1eea2c68d0bbcfe15467b9707f47221b5f853b7c56f09dded01078649afe407
Markdown4baf136115937637fc5038d2e25bcb38ef2d0b52af1bcca2f7a7c2c58a2fd5c8
PDF
Publication pageaddaf66e9f69fd0b77ae0ebf8dc597adc6fb75438cb16d52b319151d4a9ff384
Manifestc1bd57071bd3bf7b34821224987f4c27b6c29db8247f74084e90e2563626a0a0

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
SignatureSV7C5CeJ3mH6D+s19evG0P+kzft7QvgVYLsL6Bi/9WenIXwif1Gf/uKPSXDTQKSzis2ZFsH3dq52vooNxMAWCw==
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

2026-09-17T11:11:24.460005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044782
observed addaf66e9f69fd0b77ae0ebf8dc597ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.441768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044782/manifest.json
observed c1bd57071bd3bf7b34821224987f4c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.424139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044782/publication.md
observed 4baf136115937637fc5038d2e25bcb38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.405618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044782/publication.txt
observed c1eea2c68d0bbcfe15467b9707f47221...
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.