OpenTechnical

OT-2026-000055067

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000055067) never changes.

Identity and time

Publication numberOT-2026-000055067 · never reused
Internal UUID01a0ae86-5e81-7f2f-a069-a4539ecaa27c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055067
StatusPUBLIC

Content hashes

Canonical textc434122ee031ffbda3c6aa0e901b8f635b5789cb2ab108cf2b7d59acfcf88e79
Markdownec2b740b17ea4d3b0668bd0939bca94b8fafe32eae3c5ba5c7906150a1753c92
PDF
Publication pagebc64cd5da4d91702443136dc1af39073b0ea1e527e6365739f44720a1083c2db
Manifeste9bd7a1dad639b97f69c6885cfe7cb06d286dca244f4d10b019bf1b9ab9d6384

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
SignatureDuGDGW3DdkillYVg6IK7MdyjGYTzhWBc/uA9j95U3xsVC4TRNUs/f72xATKgz0NSZMCU6ajAbnImHZZ2MQMzCA==
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

2026-09-17T10:53:13.127893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055067
observed bc64cd5da4d91702443136dc1af39073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.107209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055067/manifest.json
observed e9bd7a1dad639b97f69c6885cfe7cb06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.087317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055067/publication.md
observed ec2b740b17ea4d3b0668bd0939bca94b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.068944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055067/publication.txt
observed c434122ee031ffbda3c6aa0e901b8f63...
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.