OpenTechnical

OT-2026-000099448

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000099448) never changes.

Identity and time

Publication numberOT-2026-000099448 · never reused
Internal UUID01a0aea2-c974-7273-84fd-4fd7847359cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099448
StatusPUBLIC

Content hashes

Canonical textd21c215509a6e8af85f1a6843e0bec0e6954aabd0f12f2d18531a66b2def9827
Markdown1fedb61759974d8eb1b1db09f13f9108414b4101e0dc61122d2a2eeb46844b9b
PDF
Publication page95b75a70f6e81e1dcb14119c31592dcb821dce68654df51a4fc3da86e2fb989f
Manifestecaeba33f20d93d9ceccf05c1b49ceed82dc12135488c57b573be0af7002973b

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
SignatureZI01n6lRynEoXxE7Ik0PL/LvHFJkafsvLTXjI8w+B/m7T9eEW/x7BEq4NF17kdJonJFNsmJZZZQyOzS7aI4GDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:13.768900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099448
observed 95b75a70f6e81e1dcb14119c31592dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.751418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099448/manifest.json
observed ecaeba33f20d93d9ceccf05c1b49ceed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.733553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099448/publication.md
observed 1fedb61759974d8eb1b1db09f13f9108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.715858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099448/publication.txt
observed d21c215509a6e8af85f1a6843e0bec0e...
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.