OpenTechnical

OT-2026-000089755

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000089755) never changes.

Identity and time

Publication numberOT-2026-000089755 · never reused
Internal UUID01a0ae9c-1a22-7329-9e8f-975902fbdde8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089755
StatusPUBLIC

Content hashes

Canonical texte59446f85408b5f973bc77c27208c2964ce539e31c22ab058ab6550032dea809
Markdowna76bd7426dd86c85427b29c03f4f327dc6c1e1c08b54031d9bf319bb833c0355
PDF
Publication pageba9510bac9a7d04f46d17bc56fa621aef2cbe5457820479b432a004d7bf8fd00
Manifest71c008a25b4e90ec726239a65a30118039813b8baad3c96115cbf24f4fc2167c

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
SignatureSmnmJ5jNTdvANyBN5/w8C2xIxiniC9TLNZox3OXVoUSglHCSAs7tjG6st/VM6vuaeAMFOOMkBO2Wklivim2dCw==
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

2026-09-17T09:46:50.403965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089755
observed ba9510bac9a7d04f46d17bc56fa621ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.387207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089755/manifest.json
observed 71c008a25b4e90ec726239a65a301180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.369034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089755/publication.md
observed a76bd7426dd86c85427b29c03f4f327d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.350835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089755/publication.txt
observed e59446f85408b5f973bc77c27208c296...
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.