OpenTechnical

OT-2026-000057959

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line 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-2026-000057959) never changes.

Identity and time

Publication numberOT-2026-000057959 · never reused
Internal UUID01a0ae88-6ed9-7558-9e86-82278c92b8a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057959
StatusPUBLIC

Content hashes

Canonical texta21f14722b0258ec8b5f2e8b8a7ee51920ec599bc514b5e556d8e9314de3c14c
Markdownf2b579948552cb910720be6a8fce10c569dec34b2c3a48b90a92752ed9053165
PDF
Publication pagef881671a094ebc8639527c61b9de998542eefc1e3a342b9eecc793fbc29fdc17
Manifest51169d2706975c8b0cc34785f605eb295bc2868dfff1e932ec8a07bdcd0325f4

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
SignatureRYfLwaDc7vOejNTHjh8YE392lInyCWvK7MWvXQsdU0qmaAbPybhzHgyfAYLjWkptDCfGh6smS6T6Pp03xPSmAQ==
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

2026-09-17T10:47:34.682084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057959
observed f881671a094ebc8639527c61b9de9985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.664016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057959/manifest.json
observed 51169d2706975c8b0cc34785f605eb29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.647882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057959/publication.md
observed f2b579948552cb910720be6a8fce10c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.630390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057959/publication.txt
observed a21f14722b0258ec8b5f2e8b8a7ee519...
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.