OpenTechnical

OT-2026-000021076

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000021076) never changes.

Identity and time

Publication numberOT-2026-000021076 · never reused
Internal UUID01a0ae6f-65e5-7f64-8cc8-cba2a0ee382c · 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-2026-000021076
StatusPUBLIC

Content hashes

Canonical text3d894d4e21c8960902728e3c6d8626e5b935eef6c5fbddf461db472ebfde8367
Markdowne16b3122c98eb17fcfe65cff1ef8119d83af124c90392823dc565740806c97fe
PDF
Publication page11e96fe445dd8f3945b3fb04707ed9603e273ce4c1ff22a09fdb4d610d2eccb2
Manifest6010295bc488d7f32cdf1beb59e35f5f760880461ca73d0da8c0883d096875f7

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
SignatureQ3tnoXJzzC79apKqDML+fRHCQdopPWLtXjoNJTyufTlzUoat10z2wp2o5SPR8TnCrBgfooUjW5fkyaabBIpUDA==
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

2026-09-17T11:56:14.949818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021076
observed 11e96fe445dd8f3945b3fb04707ed960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.930919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021076/manifest.json
observed 6010295bc488d7f32cdf1beb59e35f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.911399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021076/publication.md
observed e16b3122c98eb17fcfe65cff1ef8119d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.890940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021076/publication.txt
observed 3d894d4e21c8960902728e3c6d8626e5...
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.