OpenTechnical

OT-2026-000052763

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000052763) never changes.

Identity and time

Publication numberOT-2026-000052763 · never reused
Internal UUID01a0ae84-a42d-7753-af0d-c207b32096cf · 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-2026-000052763
StatusPUBLIC

Content hashes

Canonical text777422542c9e9adcead2127f3c05312fa64f536f3201c3a5964aed87c9a7a1d2
Markdown8be5883d18f6f5438b32af6add2393ba531667b642c2b0f867645444ef607b1a
PDF
Publication page452088ec38608d9c05f1408b1a5ff0e90afaa338dd4d18af7df2caa09d102973
Manifestba5ebe33495a5f55744e05fb8ef5ffff23fe71b3c953294b6691e90f425cb27b

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
SignatureGiKEERXdaj5m21Ok+afERh18ORyxNblYmTVhJfUz69vQXmfwpCF5gPi80B4LziEd64FtTfsSfpexC65i1edcDw==
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

2026-09-17T10:55:46.139600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052763
observed 452088ec38608d9c05f1408b1a5ff0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:46.122593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052763/manifest.json
observed ba5ebe33495a5f55744e05fb8ef5ffff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:46.101843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052763/publication.md
observed 8be5883d18f6f5438b32af6add2393ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:46.082282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052763/publication.txt
observed 777422542c9e9adcead2127f3c05312f...
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.