OpenTechnical

OT-2026-000078995

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078995) never changes.

Identity and time

Publication numberOT-2026-000078995 · never reused
Internal UUID01a0ae95-ccbe-70b6-972d-609c5f36a67b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078995
StatusPUBLIC

Content hashes

Canonical text22867491a98750e30e30a1c48455eab33ad43a02f8c9b510bc48648e77df7d55
Markdownc93ceb428bfbbb057f68bcf2a6155a712f7177493833f106a958da7cfd15b597
PDF
Publication page71860bf55bfef22cba959db5cc001db26b6e4600c44b032bf881dd42eb1a3fe0
Manifest3dad56629e7a509f8c4fb6f3141d810b4767d1a02494e57bbe2b96e43b850bb1

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
SignatureGAZ2a7unpUuZgMJd/IhYduXnZVlXjuwcxUbHjR6ze//eY7huY/wm9MIcoXb4loAmFxQ6wMQ9PHNC5Lz4I2i7BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:49.437033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078995
observed 71860bf55bfef22cba959db5cc001db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:49.417470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078995/manifest.json
observed 3dad56629e7a509f8c4fb6f3141d810b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:49.399442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078995/publication.md
observed c93ceb428bfbbb057f68bcf2a6155a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:49.380391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078995/publication.txt
observed 22867491a98750e30e30a1c48455eab3...
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.