OpenTechnical

OT-2026-000098887

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000098887) never changes.

Identity and time

Publication numberOT-2026-000098887 · never reused
Internal UUID01a0aea2-8286-79c8-b053-e484d331ce77 · 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-2026-000098887
StatusPUBLIC

Content hashes

Canonical textd7c13f738231ed4deaee605466cf23d0cb2a5aa1d9a5831ef2b3ff405f78b2f6
Markdownfb92fb3c313fb16d89c6287762d1bf4a9a69d6be99e40e603a66f1a654451993
PDF
Publication pagef309198f6a0990cd2c285bfdddf5cb7074b9f3eb27ce03af5b6c55b88d79b608
Manifest5c76e811922c3ba4acd23723d59037114621636923118d877631b01bae69db4b

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
SignatureLZkSnVQ2fwp0fcZ9Os/aTHI19/ikLPOThLowG9Il1KWCPkLeTQonwCghDEJz7LhGzNd7r9LyiiLUtKLrqdAtDw==
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

2026-09-17T09:29:56.408136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098887
observed f309198f6a0990cd2c285bfdddf5cb70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.392296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098887/manifest.json
observed 5c76e811922c3ba4acd23723d5903711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.377242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098887/publication.md
observed fb92fb3c313fb16d89c6287762d1bf4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.361316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098887/publication.txt
observed d7c13f738231ed4deaee605466cf23d0...
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.