OpenTechnical

OT-2026-000068655

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000068655) never changes.

Identity and time

Publication numberOT-2026-000068655 · never reused
Internal UUID01a0ae90-2483-7832-a985-46941b497ed2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068655
StatusPUBLIC

Content hashes

Canonical textb34a31ead2d675fa5c9da50e90153af108ac332034b5f2c09c495d55ce0d61ee
Markdown96f0511c684649429508479c559ffbb854c95668e9d7e052bcb4cc2d71752063
PDF
Publication page216e05ccac3e0037eec11a56e55b374a08196364c7e073dceeb56c7bfe7d01fc
Manifestafcd647330efb4b80550434bea0036846542687adea84b06401010ce5e542209

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
Signaturek8tfzu0z+72tqfPuaqj2xSPXDKyuKYuSyx5s3QxKLx/T2Wnfw+0dv6J7jNw1r/Dh4Mcqut7Ds0uOI56/Y9qPCg==
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

2026-09-17T10:29:51.028908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068655
observed 216e05ccac3e0037eec11a56e55b374a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.010521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068655/manifest.json
observed afcd647330efb4b80550434bea003684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.992599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068655/publication.md
observed 96f0511c684649429508479c559ffbb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.976329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068655/publication.txt
observed b34a31ead2d675fa5c9da50e90153af1...
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.