OpenTechnical

OT-2026-000089617

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089617) never changes.

Identity and time

Publication numberOT-2026-000089617 · never reused
Internal UUID01a0ae9c-1a21-79c0-8dda-5e4806b9b778 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089617
StatusPUBLIC

Content hashes

Canonical text265f1a790541f2b9ef222c296d64a2b9c5cd0ecc0250fce5dbd54144d664efc9
Markdownf976599b31fc6502374344d0205e9bb239c7638d470c1c07de5a26f6e298d592
PDF
Publication page0799089ab27269d1bf8704b3679fc0adbc0c6856e99a240d2f7ec3a468fd70b1
Manifest335c111032ea9c4de2162a26bedd38d1461afcfa7affe3aaec1fc7539d3a5ace

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
SignatureAEApCiVSbpp9Q/JBW4Z1bztUK0jK8zkn60rExUGWHlPzbzz+ihldAKtsdRNLywjsbYjiIwgBRHVdeFVAzHxiBg==
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

2026-09-17T09:46:36.008030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089617
observed 0799089ab27269d1bf8704b3679fc0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.990714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089617/manifest.json
observed 335c111032ea9c4de2162a26bedd38d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.973630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089617/publication.md
observed f976599b31fc6502374344d0205e9bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.955660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089617/publication.txt
observed 265f1a790541f2b9ef222c296d64a2b9...
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.