OpenTechnical

OT-2026-000060398

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000060398) never changes.

Identity and time

Publication numberOT-2026-000060398 · never reused
Internal UUID01a0ae8a-b7cb-727c-a4d8-d2ebd0a12266 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060398
StatusPUBLIC

Content hashes

Canonical textfa32a4334897fc851a6aee2b83f50f098e8019e09e25447bdd99a80c9055165a
Markdown170bdff3bbc252fe7bb6f126b564d1b52115bb63456d2e36dc2653c18a9564d3
PDF
Publication page2bad45e1bc735c47fa3edbb92cdba80e2cc13523dd3744b4363efd9697293355
Manifestac29ed2223aa2106fddcaddad687228d5c5fabe1848dae412bf2fc4d03eec487

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
Signature9JMYMOxQhVdYLVXQhonys4KZe5WmYbCwOTuZb+mh1OyDYtfb0CEW25jXgeaHx1VmdeuKCO8QgwCHeGRsyj7kCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:52.017542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060398
observed 2bad45e1bc735c47fa3edbb92cdba80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:52.001258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060398/manifest.json
observed ac29ed2223aa2106fddcaddad687228d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.982641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060398/publication.md
observed 170bdff3bbc252fe7bb6f126b564d1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.964670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060398/publication.txt
observed fa32a4334897fc851a6aee2b83f50f09...
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.