OpenTechnical

OT-2026-000011873

Publication integrity record

Two cup vacuum gripper, two 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-2026-000011873) never changes.

Identity and time

Publication numberOT-2026-000011873 · never reused
Internal UUID01a0ae6d-1942-7c93-bcd5-889f091d57df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011873
StatusPUBLIC

Content hashes

Canonical text01aa6710e6145f67cbfc23d70e321c7488e2de152ecb19e0fbf367dd5461f16b
Markdownc36e92d44c4fb2bd8e3372159334497fe3a1ef3f3244803e6b4bd13e81f3eb4d
PDF
Publication page85cb026d82f329572810cb96b51e610cc5d732ce3b858c020c19abbacd555c1f
Manifest08fba9932e45a03a0540d9a6587f7e2024674f35b1ff3574a42881bf98a615b3

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
Signature1JIkELC0BdLT4LZ1NdCGCrlpbQFUfJryoiuGntvqnw8MFr51E85zT02iTnVRdajrWdvg2mDXMqtujVUd+ds2Cw==
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

2026-09-17T12:12:37.323377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011873
observed 85cb026d82f329572810cb96b51e610c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.302345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011873/manifest.json
observed 08fba9932e45a03a0540d9a6587f7e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.283557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011873/publication.md
observed c36e92d44c4fb2bd8e3372159334497f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.264569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011873/publication.txt
observed 01aa6710e6145f67cbfc23d70e321c74...
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.