OpenTechnical

OT-2026-000026779

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-2026-000026779) never changes.

Identity and time

Publication numberOT-2026-000026779 · never reused
Internal UUID01a0ae72-3451-759a-b72f-0f10b43a4fd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026779
StatusPUBLIC

Content hashes

Canonical texteb5e9432b728c0d9b2dc5e7c0b3c3082b4d9f031d6e0dfdaf7c64e07c194e746
Markdown258407572202f8b601692967ae8a1a790b75b95190bc6117efece046d6f0ed5a
PDF
Publication pagef757cd3963bcdf4f2a3319e1e088c85332ab3696e0a43d92586390a443b50b89
Manifest5a8b4085eff42753ff18a1d540054574ac1c723657bcd2d3d4bcd346afc83355

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
SignatureYZg89bRBLBYdB9WA4F2nctsRS/VC5CTmXwc20LWxyrOJUSjIjJY0xFoSs7CVt5KE+ds9hyEX8SJ868AgMIQoBw==
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

2026-09-17T11:43:21.141040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026779
observed f757cd3963bcdf4f2a3319e1e088c853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.123481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026779/manifest.json
observed 5a8b4085eff42753ff18a1d540054574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.105583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026779/publication.md
observed 258407572202f8b601692967ae8a1a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.087157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026779/publication.txt
observed eb5e9432b728c0d9b2dc5e7c0b3c3082...
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.