OpenTechnical

OT-2026-000011220

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, vented after 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-2026-000011220) never changes.

Identity and time

Publication numberOT-2026-000011220 · never reused
Internal UUID01a0ae6c-5410-7fe5-a146-3f6c100397e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011220
StatusPUBLIC

Content hashes

Canonical text1e5af5a862da5af9072ef571d884a1fb45c254fff5bc319a694acd2532e81d83
Markdownb686b1806f15e01289ee8aa2630086303e5083b08949ab6d16eda74d5b73e509
PDF
Publication pageaa1f9bf871efd4591c795059f4bd2a1cafc32c271d620db2d39325fd6d4585ff
Manifestd081d91c4147396c930cfc6847386911d2857b1621ae2549f75204d3af8923d0

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
SignaturehnH3LQ5zQtWIhjeujq62/jeuJj8Ug8YFCqVW0plOheeIx0j/Qz6NHaTWwHnfEWoDcooKASkOJYPacWFWfCK+DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:10.599593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011220
observed aa1f9bf871efd4591c795059f4bd2a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.580223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011220/manifest.json
observed d081d91c4147396c930cfc6847386911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.562419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011220/publication.md
observed b686b1806f15e01289ee8aa263008630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.543563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011220/publication.txt
observed 1e5af5a862da5af9072ef571d884a1fb...
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.