OpenTechnical

OT-2026-000048530

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000048530) never changes.

Identity and time

Publication numberOT-2026-000048530 · never reused
Internal UUID01a0ae80-4de6-7eb6-be9d-750baf9bbd38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048530
StatusPUBLIC

Content hashes

Canonical text2bed8541da4fcb9469a663bc9ebee5e824da48188fdae63f16bfc73f30b3596e
Markdowndf169d7dc578d1d543241222bd8deb86ec9af954f2b1450e6d6f6d3a9775c86f
PDF
Publication pagebc0431c992de38158e53adb60d968b4a0b279ca4e3788b7c964c9956787bcb73
Manifest056d7046838fe42cedc1b9bb71898841558cbb4cabcb0cf7f6cdda9904e60ed4

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
SignatureKsRWl8TeoYTqSZnECJw5K1SD0bO0EX614yFVQzToPbiCdPkaUVPVJ/NT5nYc/XZmDDeKx5yrR0Dif7eYlypECg==
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

2026-09-17T11:05:19.102816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048530
observed bc0431c992de38158e53adb60d968b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.083062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048530/manifest.json
observed 056d7046838fe42cedc1b9bb71898841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.064495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048530/publication.md
observed df169d7dc578d1d543241222bd8deb86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.044289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048530/publication.txt
observed 2bed8541da4fcb9469a663bc9ebee5e8...
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.