OpenTechnical

OT-2026-000043960

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000043960) never changes.

Identity and time

Publication numberOT-2026-000043960 · never reused
Internal UUID01a0ae7b-d678-739f-b056-427d1b1f52f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043960
StatusPUBLIC

Content hashes

Canonical text71650f2c84fc77ff8406116b65461991a989fd3806fe999e5c27b833764ea4e1
Markdownba21fd0d010c7643ad3e21318e4633ba9dd8d7cb1b8f970f55a807e3c2038ade
PDF
Publication page18650c23dafa388337e66e79bf860ecbeb1e570457f9489dcf876646dfc5c97f
Manifestf6658f1cf0061e3fcb82bfdd894c62441a4fa554c3707075f2d483cfc94322cc

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
SignaturePLl3aWuAZIB0iF/l/5W4nRrCh6AZ+bnjRHQgFWLr8ibTzgF5GTKn0AacTkz7rhS4FkW9fw5yecKl47/8xx1bAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:19.064540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043960
observed 18650c23dafa388337e66e79bf860ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.044384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043960/manifest.json
observed f6658f1cf0061e3fcb82bfdd894c6244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.027761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043960/publication.md
observed ba21fd0d010c7643ad3e21318e4633ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.008236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043960/publication.txt
observed 71650f2c84fc77ff8406116b65461991...
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.