OpenTechnical

OT-2026-000026575

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000026575) never changes.

Identity and time

Publication numberOT-2026-000026575 · never reused
Internal UUID01a0ae71-f4a9-7623-bd6d-cc7706895e6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026575
StatusPUBLIC

Content hashes

Canonical textda6d1eaa6480a52d6875e9538a63c33d79348fe3ac2a2b1b87f0b2585d6f1707
Markdownac4cd81c3d937a5b368b62cef5f5f8f213d46e3ce8cead136c9150c087d4c889
PDF
Publication page7ac1472f4f106718d6d4774da5f019ff6cd660f8cc271ce15fe462797ad867f0
Manifest99852dbb4104fe7c0c3aa72e21ec8b3cdd9278b5693646013d95921c2df42246

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
SignatureEQ3eyCOjJ4d2sXNiCIjb+//pDwH/v++AFtpcVN9pWtGvCvgl1sDWP/0Y1gfFe0F0RuK5roMLXL7xejqF3KPSBw==
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

2026-09-17T11:45:38.090701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026575
observed 7ac1472f4f106718d6d4774da5f019ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:38.072076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026575/manifest.json
observed 99852dbb4104fe7c0c3aa72e21ec8b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:38.053664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026575/publication.md
observed ac4cd81c3d937a5b368b62cef5f5f8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:38.034672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026575/publication.txt
observed da6d1eaa6480a52d6875e9538a63c33d...
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.