OpenTechnical

OT-2026-000012667

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000012667) never changes.

Identity and time

Publication numberOT-2026-000012667 · never reused
Internal UUID01a0ae6d-5562-7566-ad61-7cbbc8f64831 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012667
StatusPUBLIC

Content hashes

Canonical text1a2ee6d5723a72724e0b06e69e979ceca619a3400f5fc0404e7f5a066fb6bb39
Markdown97438bc78a3999a2772b4396322eef62a1f466431ce9d9de8bcbe8cc5ec6d22b
PDF
Publication pagef34f8445ab52362695302460a4d38c12b5b887063d6ec187effd6df37dd68d50
Manifest7adf6c985ba8c98cfa56a0f2dc6fe9996dabaad53fa223fc65877c2df2e7e953

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
SignaturereOueT7Hq2/wuPXqZPdEc1Mf2K/rVRWcUYOrgIW+enonbRaxtsHxpXTNc9sONyjtvmaaCfpzfE9GMEORCIz+Aw==
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

2026-09-17T12:10:18.612271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012667
observed f34f8445ab52362695302460a4d38c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.593565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012667/manifest.json
observed 7adf6c985ba8c98cfa56a0f2dc6fe999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.575056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012667/publication.md
observed 97438bc78a3999a2772b4396322eef62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.555428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012667/publication.txt
observed 1a2ee6d5723a72724e0b06e69e979cec...
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.