OpenTechnical

OT-2026-000073350

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000073350) never changes.

Identity and time

Publication numberOT-2026-000073350 · never reused
Internal UUID01a0ae92-efb7-731c-a22b-52d476124fd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073350
StatusPUBLIC

Content hashes

Canonical text26d7054bea06dd55d97084fecbb67387b4cbfeab591efc5476912a9a1cd9e15d
Markdown5bc5d903f6c45d63fd66ade3eda15f1b2e726ff2bd48e9d1c88f1355e2cbdcac
PDF
Publication page37c9a4b9bfdf1fef4b8ff46f109c1d6d57c01b7d04969157429b5e5a192adb20
Manifest46339a9e7bfb78d5d191cd4713ffe6ee10a44b8142375487789e2b37339e5c4b

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
SignatureRbK2ReWs8ncVnEDH+hp181CEMSSNaNSZvoIneXKSICtk/9TKF5pgo/ihIDm2IvI8qtqoZ7E6MC7LbCT13CksBw==
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

2026-09-17T10:21:22.482548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073350
observed 37c9a4b9bfdf1fef4b8ff46f109c1d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.462572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073350/manifest.json
observed 46339a9e7bfb78d5d191cd4713ffe6ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.444325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073350/publication.md
observed 5bc5d903f6c45d63fd66ade3eda15f1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.424638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073350/publication.txt
observed 26d7054bea06dd55d97084fecbb67387...
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.