OpenTechnical

OT-2026-000054016

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000054016) never changes.

Identity and time

Publication numberOT-2026-000054016 · never reused
Internal UUID01a0ae85-b3a7-7f72-b169-3424703e04d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054016
StatusPUBLIC

Content hashes

Canonical text03985d72b861879b2edd4a13f97cdfa1c4f7974533fa330d691f765af6c00259
Markdown9d964779d5fe6e2eb54c2995653af42d66db015cdd2cf129f3160d5a96c2223a
PDF
Publication pagec12fc9e59d9fad34b5732f7fd426548561403381afd9b929f18a3094d78cd24d
Manifestb94ad6a210203a92bd12305b9842470f9c16d47212b2693821e444e3f85d6872

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
SignatureRH23oVmeCIcs11XpOGNvYxxIUzxC2+KeJpsBvDbcAoiP+Vgy8WiAuQoMkWtqZ1PaALYdPNuvhwzbX88obgMMAw==
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

2026-09-17T10:54:22.191511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054016
observed c12fc9e59d9fad34b5732f7fd4265485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:22.167237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054016/manifest.json
observed b94ad6a210203a92bd12305b9842470f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:22.143350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054016/publication.md
observed 9d964779d5fe6e2eb54c2995653af42d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:22.117410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054016/publication.txt
observed 03985d72b861879b2edd4a13f97cdfa1...
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.