OpenTechnical

OT-2026-000005705

Publication integrity record

Porous face vacuum gripper, six outlet manifold, two stage ejector

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-2026-000005705) never changes.

Identity and time

Publication numberOT-2026-000005705 · never reused
Internal UUID01a0a942-0e89-731b-b17d-d86cc567695b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:53.740042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005705
StatusPUBLIC

Content hashes

Canonical textcbb7bd35bfe5adfd0fccd81f0cba54aadf91d99a9c6688408e0a24e3b5e0132b
Markdown8ba559e32ec99c276392cf057f9f9aab78d88b178f48bceb501bcd512e730e84
PDF
Publication page3be3034edd3c9d3e5d2531532f6707cdce7dbf270b9dd8013e81296ebd0d388b
Manifestcd93b594cd1977393a973434b34c2a1375265fe45e3e81b0c354745986dcf7e1

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
SignaturekAFgnkVSYYQbALNMSBLQwCTtZFIOwvmtVcJpHnkBnG39v/XlUqjb2yZpOr8u/9XVqio/pwiNr8nInr2jfTv/BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:09.622796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005705
observed 3be3034edd3c9d3e5d2531532f6707cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.477629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005705/manifest.json
observed cd93b594cd1977393a973434b34c2a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.463294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005705/publication.md
observed 8ba559e32ec99c276392cf057f9f9aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.448491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005705/publication.txt
observed cbb7bd35bfe5adfd0fccd81f0cba54aa...
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.