OpenTechnical

OT-2026-000021026

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000021026) never changes.

Identity and time

Publication numberOT-2026-000021026 · never reused
Internal UUID01a0ae6f-65e4-74c7-9dce-27e5a1028026 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021026
StatusPUBLIC

Content hashes

Canonical text7bc2e94d5afc7a314dda824b08e800efdc9004baa8a0c15e467908df12309a95
Markdownf310d437108e162e495e92e4fd36868075c0a50cd30dcbbad18c8350f54ebf17
PDF
Publication pagea9a65a44a51da59c55995d00184b6685a5056bde3c640f5bdafc378bf0acd4b2
Manifest95131fa0ad7be6a87b2bd6ac12a49dc0bec659bc24dc96f020140ca4b06ec94f

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
SignatureR3s087rT5eDz4n2mDpnoAAs6BfwFgydERQNnXsT4VQ0FR7mRF2qxQ1wNID6GpY/miuukPahD2Z6SnTc3ilM+Dg==
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

2026-09-17T11:56:11.160032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021026
observed a9a65a44a51da59c55995d00184b6685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:11.143049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021026/manifest.json
observed 95131fa0ad7be6a87b2bd6ac12a49dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:11.124722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021026/publication.md
observed f310d437108e162e495e92e4fd368680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:11.108220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021026/publication.txt
observed 7bc2e94d5afc7a314dda824b08e800ef...
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.