OpenTechnical

OT-2026-000101040

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000101040) never changes.

Identity and time

Publication numberOT-2026-000101040 · never reused
Internal UUID01a0aea3-c377-7136-bb55-f3439a22d2f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101040
StatusPUBLIC

Content hashes

Canonical text3203a667d0bc25ceb93152b439818f10bc01b5345bb73edb681975fbbef6ccb6
Markdownb1f192b06bc37d0115f94dda0077877572dd0e7ec4dac69bf86d82cceac02105
PDF
Publication page61169377b851cefec190cb2f45568f40eb1a87e8f9351652d921dc1e7c47ed5e
Manifest353c9fe49a1374036540c4cd9f7c06d7941f67e1c29e59a88e738aef7dd50291

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
SignatureQeeXEuA8nHgAN2LfswkIXoT7IMYfDPO05weP0NGVaBC5sGhM1i/A//XI0cAct8Grr5NBDqweMnQ95SNRLK2UAQ==
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

2026-09-17T09:26:38.912391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101040
observed 61169377b851cefec190cb2f45568f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.895922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101040/manifest.json
observed 353c9fe49a1374036540c4cd9f7c06d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.879223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101040/publication.md
observed b1f192b06bc37d0115f94dda00778775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.861472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101040/publication.txt
observed 3203a667d0bc25ceb93152b439818f10...
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.