OpenTechnical

OT-2026-000099104

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000099104) never changes.

Identity and time

Publication numberOT-2026-000099104 · never reused
Internal UUID01a0aea2-8287-7576-83cb-e5a821c79c6b · 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-2026-000099104
StatusPUBLIC

Content hashes

Canonical textb28c6832714ae5ab5f247d951fbd1a5c35dcf081c2cc1a8c83c4335fc8156bc9
Markdown851cead09d0399640530df67a1e53ee734cae024a72715c2d8f99da890ed1e2d
PDF
Publication page1c4c8949bb647bacbb0a2feeb1f984227b686b591d0fb6a5130c26647e790bc4
Manifest0205e2b60e7363c5ef62658e61cd78ec67a1a80926208f0477317bef4959ce4d

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
Signature2iyEqULJ7wSwDMm3p87I4O4PW2y6N4BMfXDtRAEBgfUZSDQdj0Td+fcX/XBg1KXE80p8j8rMvEkB/tkmo3JbBQ==
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

2026-09-17T09:30:20.825392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099104
observed 1c4c8949bb647bacbb0a2feeb1f98422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.805496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099104/manifest.json
observed 0205e2b60e7363c5ef62658e61cd78ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.784535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099104/publication.md
observed 851cead09d0399640530df67a1e53ee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.764237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099104/publication.txt
observed b28c6832714ae5ab5f247d951fbd1a5c...
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.