OpenTechnical

OT-2026-000099121

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000099121) never changes.

Identity and time

Publication numberOT-2026-000099121 · never reused
Internal UUID01a0aea2-8287-7da1-b5d8-ff2e98c5da02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099121
StatusPUBLIC

Content hashes

Canonical text755ac7a8b600dde77806f447d1caa937076c8fcba36d6ebd03fc680ec3f7168f
Markdown42d260b0feba1d505e5eb8557bcfb64050d935ba5798689c6a723a1f25b053f9
PDF
Publication page301e58e958bde742186d88dd97cddf34bee8a3f228849fdbffcb93d2ec57b54b
Manifestfeffc8b1294c1bba6b8efc1a3a0cec6a19d6122cc272ff22797d865b21a0b8ee

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
SignatureW9KyiAE+WrlIOejG7oUh5igUmxqD5oB1dR9x9xkKkASV1ZpCgTpgz0eaMBwujkRjJy1hC/ZmuR/2Wjkr+tiXAQ==
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

2026-09-17T09:30:22.201670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099121
observed 301e58e958bde742186d88dd97cddf34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:22.182991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099121/manifest.json
observed feffc8b1294c1bba6b8efc1a3a0cec6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:22.163830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099121/publication.md
observed 42d260b0feba1d505e5eb8557bcfb640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:22.145652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099121/publication.txt
observed 755ac7a8b600dde77806f447d1caa937...
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.