OpenTechnical

OT-2026-000072718

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000072718) never changes.

Identity and time

Publication numberOT-2026-000072718 · never reused
Internal UUID01a0ae92-89d9-7222-89d2-8e18158533c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072718
StatusPUBLIC

Content hashes

Canonical text1cab3075be203e47a6696b090e555f4a0c3b1eb421794e26b536c00af2e95c7f
Markdown998ca34d798af05753047a7b05238bdb226b7e9f7f8012f7bc267509f9333ff4
PDF
Publication pagee91b8f1a6d8e7e4afdd8d2a52d760a306cdff789967f59a65d226916bdbeabe9
Manifestf35059faf793879f50662a8880c1821224ffa856d8577a14a244058f879b37a2

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
SignatureSRHZwzeOlHBwW6UKZBFUJRVhU8bN42QCR68RcVPXGt8uYvFWXcD9i6fst+GlEGj2E2WWOw9yUMQD4ZlzD41uDQ==
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

2026-09-17T10:22:36.903833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072718
observed e91b8f1a6d8e7e4afdd8d2a52d760a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:36.885610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072718/manifest.json
observed f35059faf793879f50662a8880c18212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:36.868081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072718/publication.md
observed 998ca34d798af05753047a7b05238bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:36.851615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072718/publication.txt
observed 1cab3075be203e47a6696b090e555f4a...
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.