OpenTechnical

OT-2026-000021754

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000021754) never changes.

Identity and time

Publication numberOT-2026-000021754 · never reused
Internal UUID01a0ae6f-bb5a-7bc1-80e7-d95880678132 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021754
StatusPUBLIC

Content hashes

Canonical text8ae0854611656c95b2e82730321156b6a84a02ce3413fe96cad4aa17e98b09e9
Markdown3e15e7f38b63b9b1c544707cfe0c8e07a980cf3c18731ca1141f441b5e33200a
PDF
Publication page7e7df692256d83b6f3d4804c3dbb8d9987da6e3f57a8ab2f9984f75ec6e97dee
Manifestf525c4773bb9caeb1c516b165f9bc156bf9f6f5df7602537adb904fc8ee2e6f6

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
SignatureteZxBVwATMPqNShELC7GQi2utphG6vgUzc/0E34Wj4lwzNKrkJ5/B1dPJulf+XuCH4AM08oLmcVmW805kn2JBw==
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

2026-09-17T11:54:17.775824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021754
observed 7e7df692256d83b6f3d4804c3dbb8d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:17.759331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021754/manifest.json
observed f525c4773bb9caeb1c516b165f9bc156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:17.743874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021754/publication.md
observed 3e15e7f38b63b9b1c544707cfe0c8e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:17.726397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021754/publication.txt
observed 8ae0854611656c95b2e82730321156b6...
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.