OpenTechnical

OT-2026-000015168

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000015168) never changes.

Identity and time

Publication numberOT-2026-000015168 · never reused
Internal UUID01a0ae6d-ef47-7743-b495-1b5e55d3dbe7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015168
StatusPUBLIC

Content hashes

Canonical text38afe3c6afe97266b5f0ccb55e53f0eda3575d47a9575ed8cb0381b9ed5eaff5
Markdownde2f2ac7f95efa196ae95e92fa860e26e65af6a368b28f68288045386d181663
PDF
Publication page46829261a354a69a8e920ead1cdde1c7cb009d9308341d4b4161d70b82d6505d
Manifest0b091f2a49fb8b76a72ae65d3ae046e97a66349135c9be3ace5a8ea64f2f4f72

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
SignaturegWCXlFO6Zm5N8gnSzD4PcpM6rjRkSB4s+jF1H1WbiUpDoR/jutx9ek9F+S3JWSYtg+QwdXRBVnCWQeSMWgHvCw==
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

2026-09-17T12:05:47.182778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015168
observed 46829261a354a69a8e920ead1cdde1c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.163214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015168/manifest.json
observed 0b091f2a49fb8b76a72ae65d3ae046e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.143098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015168/publication.md
observed de2f2ac7f95efa196ae95e92fa860e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.122508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015168/publication.txt
observed 38afe3c6afe97266b5f0ccb55e53f0ed...
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.