OpenTechnical

OT-2026-000071877

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line 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-2026-000071877) never changes.

Identity and time

Publication numberOT-2026-000071877 · never reused
Internal UUID01a0ae92-1e93-7ce5-bca7-2486163e8eeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071877
StatusPUBLIC

Content hashes

Canonical text9223d56b83ef8313c07c96ad2795644221fee9d34682faec3407b1fb29b3bd34
Markdown949b4174a28849d951711d95e3e607e6865fc0069d5e4a72837c325f4c1c2f1c
PDF
Publication page469b6de1ecff9c9c98cd912adaaabd98c4efe2f58b7786e876ae821989544c02
Manifestd13a43ea34b2615f695c42de877ae18384be5bf7ba7e841a33c6765980019209

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
SignatureLak/yxU+63iYfworZMtlrxzzkDn5c2Z95D5O3rbmL+JUJAW1CoBGP1ILkWLTSKNVbE9X+U9pwzWFp4Z/uAMKDw==
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

2026-09-17T10:24:34.813537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071877
observed 469b6de1ecff9c9c98cd912adaaabd98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.797294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071877/manifest.json
observed d13a43ea34b2615f695c42de877ae183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.780395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071877/publication.md
observed 949b4174a28849d951711d95e3e607e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.762844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071877/publication.txt
observed 9223d56b83ef8313c07c96ad27956442...
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.