OpenTechnical

OT-2026-000073506

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000073506) never changes.

Identity and time

Publication numberOT-2026-000073506 · never reused
Internal UUID01a0ae92-efb9-7d2c-987f-3c26036d251f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073506
StatusPUBLIC

Content hashes

Canonical text15a6f61fea429153373477d887dd5b3948180de73132948b9ed0112fede4f4ee
Markdown67772cf06654984f729dad3b855e5b33e50828879ec136b8ffac6b360e14b7ca
PDF
Publication pagef1ac9a3009b8f306ac1f88d788acbcd8327c5f2b1e9d8c35eaf36f14e6eba392
Manifestd737aefff0f3ca7ec1dd3c26ffcbb147a800b2bbcccba4bad6ecc74f55244c8f

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
SignatureMjCitTwjQTfwEvC22wFDRAgbY2aA/L5wFciXriKGbeSHSnEWwN/iLwJxTPQdp4aiMjR/exTRurg6B0mwI0QCAQ==
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

2026-09-17T10:21:40.599744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073506
observed f1ac9a3009b8f306ac1f88d788acbcd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:40.581351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073506/manifest.json
observed d737aefff0f3ca7ec1dd3c26ffcbb147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:40.561934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073506/publication.md
observed 67772cf06654984f729dad3b855e5b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:40.543129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073506/publication.txt
observed 15a6f61fea429153373477d887dd5b39...
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.