OpenTechnical

OT-2026-000080611

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000080611) never changes.

Identity and time

Publication numberOT-2026-000080611 · never reused
Internal UUID01a0ae96-7e79-7fd9-8c36-0bb19da1442b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080611
StatusPUBLIC

Content hashes

Canonical textee4a246b1d6f3a25150ff425760bbccb542971de96d8bbc6193cd90db9a9c7b3
Markdown7d7d7d7044670a7701d77c88269e78d4f54b806002cac45157d82c8e61126fd5
PDF
Publication page1cbc6de2cdebfeaef8b720aa514680f373a97963a8d3cc2f57c60e5d42b4d0ce
Manifestb0a6d1ed97a572d9979d6928797335abe9c4ebe19456ffd02582eb91bfd2acf5

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
Signaturezw6Al3L5xD4faoQCMES1vlBnpckTsDc+5g9b3Pljhjv+hLeAOapzxIX2TwoPm58q/1oxjA7faF2vHPkZ128SCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:15.007454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080611
observed 1cbc6de2cdebfeaef8b720aa514680f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.990195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080611/manifest.json
observed b0a6d1ed97a572d9979d6928797335ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.971618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080611/publication.md
observed 7d7d7d7044670a7701d77c88269e78d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.953185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080611/publication.txt
observed ee4a246b1d6f3a25150ff425760bbccb...
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.