OpenTechnical

OT-2026-000051026

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000051026) never changes.

Identity and time

Publication numberOT-2026-000051026 · never reused
Internal UUID01a0ae82-c7b4-7d1e-9d0c-cbff56214ff2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051026
StatusPUBLIC

Content hashes

Canonical text1530fe38004cc711a4a91aa17622cbf9763e999dcbf559f3c0bdb9f6bda4a0dc
Markdowne7b8716e265ea3af27b2b516332a40a340d38b04ac03aa57a6964dff734b2ac5
PDF
Publication pageb6c49cacd84f46e987e47f96289a40150771070850c52ef4a1941dde20f45ad9
Manifest9641cd48321987ee11b607b9fc218fee0d5b391ecf22795f0633ffbc54393309

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
Signature1JIKoYWZvdb+9zghceeqIp/8mu0Pr0VuFf2tKGy0d9iD7H5SWSTDT29sKMvToiqxs8d1AQxEgEWS6n7Y5GgNDw==
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

2026-09-17T11:00:55.966893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051026
observed b6c49cacd84f46e987e47f96289a4015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.950051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051026/manifest.json
observed 9641cd48321987ee11b607b9fc218fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.933041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051026/publication.md
observed e7b8716e265ea3af27b2b516332a40a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.915852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051026/publication.txt
observed 1530fe38004cc711a4a91aa17622cbf9...
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.