OpenTechnical

OT-2026-000101044

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000101044) never changes.

Identity and time

Publication numberOT-2026-000101044 · never reused
Internal UUID01a0aea3-c377-7cc9-91f8-5a2757485db3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101044
StatusPUBLIC

Content hashes

Canonical texta139830c262d9a3def8c45d4920fa773849c09604a3a5f3966dcdf6eaeede651
Markdown2dfc3b40ecaee93d4665d22d94a72c1c257a403bcd1d438481ab0414fc0aaaf5
PDF
Publication page7ac36fbe42e75d2eaf086b1ae73d87977c79d24d196c4774557371219c013144
Manifest9ad8558a27f1ebbbf4133d30d94de32e9595362423d9d5de0cfbeb2cb8cba595

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
SignatureEOhbVdUuWwed3+Xbo0EedH8eLrNWuSpUd6A9BFaX/GYGVZKhGabH/z05M0lHqDive8eM5KvhT5Ripe+yI+O3AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:39.230998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101044
observed 7ac36fbe42e75d2eaf086b1ae73d8797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.212228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101044/manifest.json
observed 9ad8558a27f1ebbbf4133d30d94de32e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.194282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101044/publication.md
observed 2dfc3b40ecaee93d4665d22d94a72c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.176474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101044/publication.txt
observed a139830c262d9a3def8c45d4920fa773...
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.