OpenTechnical

OT-2026-000074183

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold 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-2026-000074183) never changes.

Identity and time

Publication numberOT-2026-000074183 · never reused
Internal UUID01a0ae93-7178-7980-a02e-cc25236dc848 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074183
StatusPUBLIC

Content hashes

Canonical text68ef0e908900c3764eb7920c3e8e7865fd7cde6d9b26ac1e8bc8270adee51e53
Markdownfae2ee52f9b11d25bb5a2afa37993e055cca27b06ba6a73c32057c7862e1f31d
PDF
Publication pageab48330cf16d50921e368c74584cc2ccea9c310a01de7c4a05141e8707d1c2db
Manifestcc5430f8fc8cea96561e9b20b0f83c4e76e778c9d70164469ed9ff00492db0fa

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
SignatureHoOSMF+BP2xyp248lgO3Swbb9YBL9LZl4rKsSf/KMzNy14c+D68ipWHMMlphcQR6s3fkkwIDbcuyUAv7liENDw==
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

2026-09-17T10:19:02.128171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074183
observed ab48330cf16d50921e368c74584cc2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.111145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074183/manifest.json
observed cc5430f8fc8cea96561e9b20b0f83c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.094345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074183/publication.md
observed fae2ee52f9b11d25bb5a2afa37993e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.076656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074183/publication.txt
observed 68ef0e908900c3764eb7920c3e8e7865...
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.