OpenTechnical

OT-2026-000005505

Publication integrity record

Porous face vacuum gripper, four outlet manifold, two stage ejector, contact triggered, open cell

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-2026-000005505) never changes.

Identity and time

Publication numberOT-2026-000005505 · never reused
Internal UUID01a0a93b-3867-7cd8-84a1-1a6d2af2153b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:00:25.705850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005505
StatusPUBLIC

Content hashes

Canonical text0db68106e9646eb7bcc5f867111024d849023e8a269f0d6fab86d05064311472
Markdowndcaa91da125d1b6e65b3b7a55fea72ea0d6c60da82e0808acb4139eb5bd3f3b0
PDF
Publication paged9917a8f199ac9815643a94a425ba0e759791918c50608fa841c5d8934d9768d
Manifest2c8b6a46a8cf14da77f75bcc8bf112d41f7c0d9679d7f3921cca3b3a6a4b7353

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
SignaturerSyExuR3cHqXc+qHbQh9thKa3dfvM7OZwCKYUm8CHr2FHicee58NW8pdY9VTQrVH+qwOo97emLuTXt5QmCjmDQ==
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

2026-09-16T08:10:32.944902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005505
observed d9917a8f199ac9815643a94a425ba0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:32.931896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005505/manifest.json
observed 2c8b6a46a8cf14da77f75bcc8bf112d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:32.919130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005505/publication.md
observed dcaa91da125d1b6e65b3b7a55fea72ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:32.906092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005505/publication.txt
observed 0db68106e9646eb7bcc5f867111024d8...
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.