OpenTechnical

OT-2026-000054030

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000054030) never changes.

Identity and time

Publication numberOT-2026-000054030 · never reused
Internal UUID01a0ae85-b3a7-7b3e-a6f2-a386aac772b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054030
StatusPUBLIC

Content hashes

Canonical textd8c235b54d6f0d7596c0a94bd9e27dfe53a29ef3afeab9cc05e2f4e667b7dd07
Markdownbe5980ae5c66b2abf1edb1462876389c5c527f70af7de05eb0d2e1ab002925f7
PDF
Publication paged6defa08c3ec8c3d9ab108dfb4faffccb20b70cdccafb5fd385f6b9641496df8
Manifest85b8ad5c350ea6d82c8f9cfb0913801c43ce42bced4c5626e588d7f305206e44

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
SignaturegRWUEgPABDq575DBRsoBkHdEf8bmClabkNg7bO+CVk/PG/SxTKks1yEyZpXwUs4+zchHiSOETF5kJ1yyR4UHAQ==
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

2026-09-17T10:54:23.651888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054030
observed d6defa08c3ec8c3d9ab108dfb4faffcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.635298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054030/manifest.json
observed 85b8ad5c350ea6d82c8f9cfb0913801c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.615877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054030/publication.md
observed be5980ae5c66b2abf1edb1462876389c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.597133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054030/publication.txt
observed d8c235b54d6f0d7596c0a94bd9e27dfe...
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.