OpenTechnical

OT-2026-000005414

Publication integrity record

Porous face vacuum gripper, three zone face, three outlet manifold, three stage ejector, contact triggered

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-2026-000005414) never changes.

Identity and time

Publication numberOT-2026-000005414 · never reused
Internal UUID01a0a938-42b4-77e0-b78d-1d6c07f2d1b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:57:11.734663Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005414
StatusPUBLIC

Content hashes

Canonical text49b5f8328a1daef65da8527c49aba7117eca5759f970b63d874f7eb8279cd787
Markdown8b20d278603d6dc20d420aa0a28063d2d4caf5717bc59e22e3311a0201f71e7e
PDF
Publication pageddc422eb8b2cc7f3a977e89c521fa0748c5c64a4cd693e9576703021519b7164
Manifeste629f42f0c286c0b315f7a028b1a12cd8d55bb96ec1875ab5c7c7f3a47d9de60

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
SignaturefdmMdWu+73dlNkoCggTN7y4263zlZdFyBnOJuVwc4qaApwdKtkjsYUuo1i6mmmz/41gIApLej7dEIUs5e8GqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:12.386571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005414
observed ddc422eb8b2cc7f3a977e89c521fa074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:12.372313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005414/manifest.json
observed e629f42f0c286c0b315f7a028b1a12cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:12.232183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005414/publication.md
observed 8b20d278603d6dc20d420aa0a28063d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:12.217782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005414/publication.txt
observed 49b5f8328a1daef65da8527c49aba711...
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.