OpenTechnical

OT-2026-000056692

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, sustained 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-2026-000056692) never changes.

Identity and time

Publication numberOT-2026-000056692 · never reused
Internal UUID01a0ae87-7af6-7859-8fe1-4e32c13f91bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056692
StatusPUBLIC

Content hashes

Canonical text7549e02ac816b9458abb7e24ff799fedaaed8fecaa6492172aa83bbfd8644bab
Markdown47fc3e4823f2fa2d4591d661563226d3282ab59dbac2856fd8cdd2955c4dcbac
PDF
Publication page7bcffddbdd026653110e3735505dd4d7be14745073d8935c9a7fd2ed2c70732b
Manifestf351f45ef119268a7eb967e80be3b7907b772bb74a85cc6cb54b39745ca6e3a6

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
SignaturewrO9lr8L0BpZwSISzbCZV9dgzF5yu1kxIAFBx6mJ6YRadpJYSVJq7xSIMLd/jxcQPDoZjLuDKGJ2XNEH0lpBAQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:04.954814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056692
observed 7bcffddbdd026653110e3735505dd4d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.939050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056692/manifest.json
observed f351f45ef119268a7eb967e80be3b790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.919360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056692/publication.md
observed 47fc3e4823f2fa2d4591d661563226d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.900759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056692/publication.txt
observed 7549e02ac816b9458abb7e24ff799fed...
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.