OpenTechnical

OT-2026-000008900

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, sustained blow-off after 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-2026-000008900) never changes.

Identity and time

Publication numberOT-2026-000008900 · never reused
Internal UUID01a0ae6b-31b7-71b4-941a-bcc3ca4c8a03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008900
StatusPUBLIC

Content hashes

Canonical texte7a38cd7504d28d650ced994099d373c9f8559ccbc1be3612c5d55da38672b82
Markdowne204f5ebec259a203a76d54e291b3999af0c761138cf11eaa95c1972f33571ca
PDF
Publication page26b689f685494cde64f19b6abb2e41d1c651582fa9c350e8b52e52b040286549
Manifestd517dcdd799ed9b6b974ca6f2cee11d6c29eec660120a71d5e7cd3b9abd746e8

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
SignatureUNT0zYQ9CeDz2tGJ4rYMgKXmK8mI5a1v+jtj1OXAt9cdmQQQp2LpQju/ArbkR2SJ4Xn3ELD/qDCOuGi5H2/YAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:30.059715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008900
observed 26b689f685494cde64f19b6abb2e41d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.042170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008900/manifest.json
observed d517dcdd799ed9b6b974ca6f2cee11d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.021183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008900/publication.md
observed e204f5ebec259a203a76d54e291b3999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.004016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008900/publication.txt
observed e7a38cd7504d28d650ced994099d373c...
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.