OpenTechnical

OT-2026-000007672

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000007672) never changes.

Identity and time

Publication numberOT-2026-000007672 · never reused
Internal UUID01a0ae62-76bd-72ab-9235-6db5d6fda7c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007672
StatusPUBLIC

Content hashes

Canonical text0e131c856703eef44d170da166bbbcaeb34226f247facd6b58c3d5604c02de14
Markdown83d1966a0926a9060a02cf3c92d5ceceb1651deadf881155e2f3c2a08a1e5eae
PDF
Publication page8ae453dd02a66239f3d424f1f020bd45fa3432ab1e6827064fb79f2e82389dc2
Manifest70cf12c8369a9900e06b14ab6630a6b949da6ba198167cf509dbfc51e9954e8a

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
SignaturefH1rIiY7/u0AIJWRK5Wb3m04vV23X2E41UHow0q2UCFPgobE8lf/tWfG3LQfUmiyG2mUpVuBoeJYBuDp1c+XDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:17.828905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007672
observed 8ae453dd02a66239f3d424f1f020bd45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.812171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007672/manifest.json
observed 70cf12c8369a9900e06b14ab6630a6b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.793916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007672/publication.md
observed 83d1966a0926a9060a02cf3c92d5cece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.777514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007672/publication.txt
observed 0e131c856703eef44d170da166bbbcae...
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.