OpenTechnical

OT-2026-000070587

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000070587) never changes.

Identity and time

Publication numberOT-2026-000070587 · never reused
Internal UUID01a0ae91-5460-78ec-bf07-2bbb8e5837ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070587
StatusPUBLIC

Content hashes

Canonical textdce86439f011da32bbff5a8f06902e7cbfc80187332dc7bb529968630ada5ab9
Markdowncf1342cfa0dc7ef07cf4d327c46d0d6230f895d27ff78db128be5f3eb4e77844
PDF
Publication pagec0fd2aa5ece1d28776ea2a8b89f5c8064b043b385e5d279af9c8baf086a2a2b5
Manifest5efc99401933e1d4be398392dcfd766f3e38e9dd93c3485b544d7f42a6884ffd

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
SignaturemFTPVJevazQxfFCM5M7Qir97ZGDJEDkPTWJQYm4aj/xCDC8kk21yvhOmxoZw3sxiovYjOHsC1Q5mMfSnVPwFCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:26.512120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070587
observed c0fd2aa5ece1d28776ea2a8b89f5c806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.494455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070587/manifest.json
observed 5efc99401933e1d4be398392dcfd766f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.475423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070587/publication.md
observed cf1342cfa0dc7ef07cf4d327c46d0d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.457756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070587/publication.txt
observed dce86439f011da32bbff5a8f06902e7c...
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.