OpenTechnical

OT-2026-000076919

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000076919) never changes.

Identity and time

Publication numberOT-2026-000076919 · never reused
Internal UUID01a0ae94-b071-77bb-a38e-6a166ef7959d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076919
StatusPUBLIC

Content hashes

Canonical text301f434db1514ccf2bc11748ffa79d4cdfc3f0a5e7e43c86e3510707464b2f6b
Markdowndf646f69cf27b3672643bf52f310a96ceff60a1cc1b4b3d781ffa0c5854756b6
PDF
Publication pageeee16a84a287eacc0f5a0da3283dd7ccee7bdca1c7c9c243d8ba5dca9ed9974c
Manifestb79a87ddbacfd7258f9fb9bbdcb356f812943ba386ff2e9d4fe38e1692314d33

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
Signaturen8CN4DahOOV4B035GF9scm80jEW7WNDKM9xWxFG2fJABY2IkNdMZG0Gr7AvEFH90F39m31wX9eh8BJh7Abw8Ag==
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

2026-09-17T10:09:51.203982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076919
observed eee16a84a287eacc0f5a0da3283dd7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:51.058386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076919/manifest.json
observed b79a87ddbacfd7258f9fb9bbdcb356f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:51.039372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076919/publication.md
observed df646f69cf27b3672643bf52f310a96c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:51.018335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076919/publication.txt
observed 301f434db1514ccf2bc11748ffa79d4c...
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.