OpenTechnical

OT-2026-000006128

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, pressure verified, 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-2026-000006128) never changes.

Identity and time

Publication numberOT-2026-000006128 · never reused
Internal UUID01a0a950-49f5-747c-a676-7daf40ed5974 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:26.456503Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006128
StatusPUBLIC

Content hashes

Canonical text0e3e5492c0c97f8a9161c431970788660d6cfdde350ad8026cfa07ca00df67b4
Markdownbb894c8b0a6bb6bb0de476f81e8593303e84f14c3428d2eaf547f22b5dac8cf1
PDF
Publication page6ffdb68f865ff324cce831421f1c9dc2e947bcde4b0ab374eb41ad225b6bd3fd
Manifesta94dd129d4775fc1263ed53ea0a6560870e4dac6b875f5482e0004fca8ddd01f

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
SignaturehhAVXS/Cj+0psR0pD01+DV3e/uaEojVTxf/QzkJ87BkYM6nz+zxSLTGU5iMQCgEOXMKFtvvBsx9lv78M0Wb0BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:24.399229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006128
observed 6ffdb68f865ff324cce831421f1c9dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.383657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006128/manifest.json
observed a94dd129d4775fc1263ed53ea0a65608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.244885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006128/publication.md
observed bb894c8b0a6bb6bb0de476f81e859330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.230830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006128/publication.txt
observed 0e3e5492c0c97f8a9161c43197078866...
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.