OpenTechnical

OT-2026-000055238

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000055238) never changes.

Identity and time

Publication numberOT-2026-000055238 · never reused
Internal UUID01a0ae86-a0ff-748a-89f0-78c4e08a851a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055238
StatusPUBLIC

Content hashes

Canonical textdcd9a9754648fd0b131e287c531b2e091efe822ed61606168f665c0342201433
Markdown2bcf31daf39626504ae5856b3344ec8a54c523ccb1b91ca30cd500138f957f76
PDF
Publication pagef541418650e2d68f7ca3875530f4d02b146d274ef75e3d574c308e763b75a821
Manifest3c3ba51f36970677271e1190c6050bbf07191c58277a70043ff7d6f42d66960d

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
SignaturempX2PHpycqWV68SvmS2Us4++ZfL4Y9HRpJzWpNlAWl+mGhxKIRWtvVGmCaT63qSW/zKZyiISUxK35k8U8OWLBA==
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

2026-09-17T10:51:49.292198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055238
observed f541418650e2d68f7ca3875530f4d02b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.273924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055238/manifest.json
observed 3c3ba51f36970677271e1190c6050bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.256078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055238/publication.md
observed 2bcf31daf39626504ae5856b3344ec8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.235562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055238/publication.txt
observed dcd9a9754648fd0b131e287c531b2e09...
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.