OpenTechnical

OT-2026-000026073

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000026073) never changes.

Identity and time

Publication numberOT-2026-000026073 · never reused
Internal UUID01a0ae71-a840-70f6-8823-99569e35ef0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026073
StatusPUBLIC

Content hashes

Canonical text408715013222984da7ba4ff9e8b13de4d395274d436235f6fd38f86fae49cefd
Markdownddced09d0f31f7d3eb8738d849d0b770e75c4d15a5b7fb4f113ad082d40a5b27
PDF
Publication pagea0ba0fa117691e1dc448d7062c640c807f0568ef1bafb49eceba59d7ebd99629
Manifest3afc35d24b79cf8700cf8ba35906cc537122371b677eeafdce7f6ce717705911

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
SignatureYAfWZJHPLHt8ljHYK9IEY3KX7DNSMKq8S9vQsMidhjwJ1vDg/i3sGLtk49zXiU/9gfbDkLpMY2zXiVreZFbtAA==
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

2026-09-17T11:46:34.187557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026073
observed a0ba0fa117691e1dc448d7062c640c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.170126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026073/manifest.json
observed 3afc35d24b79cf8700cf8ba35906cc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.150994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026073/publication.md
observed ddced09d0f31f7d3eb8738d849d0b770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.129658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026073/publication.txt
observed 408715013222984da7ba4ff9e8b13de4...
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.