OpenTechnical

OT-2026-000061903

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000061903) never changes.

Identity and time

Publication numberOT-2026-000061903 · never reused
Internal UUID01a0ae8b-b8ad-7a63-9e3b-4614b90debb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061903
StatusPUBLIC

Content hashes

Canonical text25f475b6abb13fd5145759ac3ff9bcdb92367259dfe40fe6ee550bbe853d0f2d
Markdown3ef507f7cbad8e3f6e576609f2555a46be065635031a516022a4122c3ee5b2c5
PDF
Publication page9f327053a9cb6fc3dc0a24576985ccaadfd87b3705e7adbd017af7bbbf7142ce
Manifest67ee32d12f7adeda8c2db0aeefb600fa007762df9295bcc11572dddfa1048ea5

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
Signature3Z5mnuJ1Csm3dA+J49i0/KFdI6pCDVU07bHhwGyLVndpnqkoSm2LINUrJ4irmZ+AGCU/RkevGp1DdkK9roNtBQ==
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...

Independent retrieval

2026-09-17T10:40:46.708139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061903
observed 9f327053a9cb6fc3dc0a24576985ccaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.689458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061903/manifest.json
observed 67ee32d12f7adeda8c2db0aeefb600fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.671145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061903/publication.md
observed 3ef507f7cbad8e3f6e576609f2555a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.652657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061903/publication.txt
observed 25f475b6abb13fd5145759ac3ff9bcdb...
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.