OpenTechnical

OT-2026-000099523

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000099523) never changes.

Identity and time

Publication numberOT-2026-000099523 · never reused
Internal UUID01a0aea2-c974-7779-926d-0fda5581faa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099523
StatusPUBLIC

Content hashes

Canonical text2da607eb7decdafac2092ffee70263a9269ebf82580bcbc12450ae4d5ae45b0d
Markdown8fe7e0c8c14353cbab4df8f10d5dd3e7d0c3e9f3fa7b44bf289d96360c8f7ccb
PDF
Publication pagedfee5eaafbf697b9880ea165ec2e32b7e5795c8f0fcb10ca72231b5719e63de3
Manifest7ca3d981785b7ff01297e3959d5d56c128610508668edb68c0ebb873eca99053

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
SignatureOOhsAftw/lAnRR5ZtEVlJz8zx6MQ2jz10/8YBWg+JMYO4o7EfcYmGG6foL8FCT+h9KLt8X7h0XGdZE1XUtwNDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:25.358559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099523
observed dfee5eaafbf697b9880ea165ec2e32b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.341626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099523/manifest.json
observed 7ca3d981785b7ff01297e3959d5d56c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.323411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099523/publication.md
observed 8fe7e0c8c14353cbab4df8f10d5dd3e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.306085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099523/publication.txt
observed 2da607eb7decdafac2092ffee70263a9...
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.