OpenTechnical

OT-2026-000033408

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000033408) never changes.

Identity and time

Publication numberOT-2026-000033408 · never reused
Internal UUID01a0ae75-8980-74b6-994b-734e2761ed7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033408
StatusPUBLIC

Content hashes

Canonical textb4ff55c61de806977dcc856ff3ad549afd0500847ece45140742fef651a71253
Markdown72a7b7680ed55818b887f0bae2f501a61114b886671ecf152f0a390475664a05
PDF
Publication page0cf837fc7d311cf1725483c883934f750dba35f1b33bbb2449141c704c72e7d4
Manifest580d383b36884edbe2339044cab162627a2c3ebdd4cf0016e57ffd19bd7108ce

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
Signaturee9V1JH/3XZPFlV89cOrpc4X4pzJpMXyF4BIdyGx98X/fdPz5iMtwyBqLYFXkynOmYGEgEnpMS9pBEWEPasCdAw==
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

2026-09-17T11:32:11.417772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033408
observed 0cf837fc7d311cf1725483c883934f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.398132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033408/manifest.json
observed 580d383b36884edbe2339044cab16262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.378931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033408/publication.md
observed 72a7b7680ed55818b887f0bae2f501a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.361798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033408/publication.txt
observed b4ff55c61de806977dcc856ff3ad549a...
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.