OpenTechnical

OT-2026-000018745

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000018745) never changes.

Identity and time

Publication numberOT-2026-000018745 · never reused
Internal UUID01a0ae6e-d521-7e60-9d72-883dbf518b91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018745
StatusPUBLIC

Content hashes

Canonical text6eec06923e65a9112ec2162395b5cf137ca6d23212a09b5dab851c3a1a5d8517
Markdownb7c80120350de5dd58204c31fdd284876347293c14d8d8afd1b80e8e2ba4f061
PDF
Publication page26e98aae722c1f068001eb5ceb9f8aed73a7a8bbc79bd110aa330dc24af765e2
Manifest461e5d8f6d00920ab38acd060c6b2ced9d18f0246b6dc0a065ea888edf53e118

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
Signature8orI1zGsv6dOVSA1owhwuEfxmi07NQyEqYNIJyYN736U5y29Qknx+kmljPg2baAE9dudbKJfgz9oOtw0nUABAQ==
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

2026-09-17T11:59:21.538124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018745
observed 26e98aae722c1f068001eb5ceb9f8aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:21.521241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018745/manifest.json
observed 461e5d8f6d00920ab38acd060c6b2ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:21.501780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018745/publication.md
observed b7c80120350de5dd58204c31fdd28487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:21.485136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018745/publication.txt
observed 6eec06923e65a9112ec2162395b5cf13...
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.