OpenTechnical

OT-2026-000075157

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000075157) never changes.

Identity and time

Publication numberOT-2026-000075157 · never reused
Internal UUID01a0ae93-f1ff-7b36-9aec-2caef28d9783 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075157
StatusPUBLIC

Content hashes

Canonical texted595d21df8162728cce54a2ebc75dde8cb4bd38a4eb1124644212af9e14501e
Markdown7d067dccbe3b32b8e25219d6496b67c901687de1c93771b3cf0c48237fd8040c
PDF
Publication pagea82718d002ff783fd59f6fccec6f497ac7c98ba35f36a22b3195d1a1d1de0ddb
Manifeste08073e0e3c84c32bd5678ca395faf894391f2d359f1046381d24174d0850c56

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
Signature+S5DfnIbjKCxoT9djUJGMnmjwQo9HFaLNaXYM9MO1vNudZowEF5y3g4Ua2pkNaneXhdE2IqtxnLeQ7I9T3DECg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:23.836424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075157
observed a82718d002ff783fd59f6fccec6f497a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.809630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075157/manifest.json
observed e08073e0e3c84c32bd5678ca395faf89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.787954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075157/publication.md
observed 7d067dccbe3b32b8e25219d6496b67c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.764599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075157/publication.txt
observed ed595d21df8162728cce54a2ebc75dde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:29.304261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075157
observed a82718d002ff783fd59f6fccec6f497a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:29.285808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075157/manifest.json
observed e08073e0e3c84c32bd5678ca395faf89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:29.267487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075157/publication.md
observed 7d067dccbe3b32b8e25219d6496b67c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:29.247494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075157/publication.txt
observed ed595d21df8162728cce54a2ebc75dde...
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.