OpenTechnical

OT-2026-000018715

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000018715) never changes.

Identity and time

Publication numberOT-2026-000018715 · never reused
Internal UUID01a0ae6e-d520-7045-a3cb-de20aa3ef0a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018715
StatusPUBLIC

Content hashes

Canonical text89166eba3aa7efabdf2babe2b92f56270684a2c29f93fe305303674a8449f36b
Markdown0f5363ce7c4abbdb7a4466440544102ed0300207f2a48c5e90c7a7935c268dd2
PDF
Publication page37d0b7240e87cd9d32243adbfae6d20fb3ed78b050f2d32cf726b2909e06e0dc
Manifest2a317d78961b2f5ee7cfe575b90dff3cfef3d23a208714cf201c75f4334ac505

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
Signature9kNDkLqZXcuRsDcnpi0MkGgkKM2eXgH7cOxJ2VGi+mFBgiPIpRqaomroQPv2tOrrTbNclobbuxE14J1es8OwCw==
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

2026-09-17T11:59:19.156428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018715
observed 37d0b7240e87cd9d32243adbfae6d20f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.137676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018715/manifest.json
observed 2a317d78961b2f5ee7cfe575b90dff3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.089468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018715/publication.md
observed 0f5363ce7c4abbdb7a4466440544102e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.042784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018715/publication.txt
observed 89166eba3aa7efabdf2babe2b92f5627...
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.