OpenTechnical

OT-2026-000043267

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000043267) never changes.

Identity and time

Publication numberOT-2026-000043267 · never reused
Internal UUID01a0ae7b-327d-7747-adb3-710da2a9f0c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043267
StatusPUBLIC

Content hashes

Canonical text13c94d92adc27f97e446e4c53b89e6f32d4a796e6110c74448d9bc201cc7cdfd
Markdown68b8cba93b7c63d5d8ec08a8a8e6b71655948de2162628f2473a7c892c44ef65
PDF
Publication page0bc3f8371690eb2ab77e138f61b31bb2fefc44db61da2644e30692d1c2263b46
Manifestd5528b0e4c18deb657344e9d2cfdac9ad7b31f4fd637f99f91d5d1ea0d5ebb7e

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
Signature9XxegX02uYBR8YBYg1Z7PBvl4DJ5BevYuqUieSBHynbSnFY1gc1zZRWenTCf7odLZqiTOW9WVuPHLw5Rl6bzBg==
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

2026-09-17T11:13:45.136129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043267
observed 0bc3f8371690eb2ab77e138f61b31bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.117476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043267/manifest.json
observed d5528b0e4c18deb657344e9d2cfdac9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.098561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043267/publication.md
observed 68b8cba93b7c63d5d8ec08a8a8e6b716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.079547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043267/publication.txt
observed 13c94d92adc27f97e446e4c53b89e6f3...
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.