OpenTechnical

OT-2026-000078455

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078455) never changes.

Identity and time

Publication numberOT-2026-000078455 · never reused
Internal UUID01a0ae95-7c28-77bc-9de2-92b483f23947 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078455
StatusPUBLIC

Content hashes

Canonical text9f313d9591b137c4dad176a3811da56d093a7795e55e1a2f6afc4090dda11f47
Markdown381927f1f6295582418d24aa9e74c2499855815943cd7f11a8baa22c7cbd439b
PDF
Publication page60049d58424a32ffbb56ec3b581a275c595e7fff2ce0974574e7951681e24b7a
Manifest8319a99d7c4f137fed86cb4ea40ca5cdf0bb0b03f46a05d2a1c179ac7e39a6e9

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
SignatureYVuHpdhXVdhYeOUCponGakmaolW1e3REn+RGG2W86VfYH2fZaW0SFy1ElDDQDevvxV+YFTR4OhjgVKHinkjvBA==
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

2026-09-17T10:06:27.397236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078455
observed 60049d58424a32ffbb56ec3b581a275c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.379887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078455/manifest.json
observed 8319a99d7c4f137fed86cb4ea40ca5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.360862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078455/publication.md
observed 381927f1f6295582418d24aa9e74c249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.341078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078455/publication.txt
observed 9f313d9591b137c4dad176a3811da56d...
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.