OpenTechnical

OT-2026-000087636

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line 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-2026-000087636) never changes.

Identity and time

Publication numberOT-2026-000087636 · never reused
Internal UUID01a0ae9a-cd53-7f43-81cb-e34138f9a25f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087636
StatusPUBLIC

Content hashes

Canonical textd4ff10f531943ff6bd96d911a76a9e390b6bd071a1d8c5467442ffd7a3ff1c59
Markdown5648add2550d1c59ec46e6b700c7dab9d498f1c705f742d6895e2582cada52cb
PDF
Publication page70f6160d7388ad74685cb51df843de1d1acab8990f53a8e9d3fff5031f0f50a7
Manifest4779e1f4a82a4af56742069a0ab869a5c81ab45d14b35673bfd8d0516d27d056

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
SignatureM0wwzvsq/ZCkpGYjyNM1q5Ejq67c2HoT5k4cCKK9/YDjBXDPotc3wj21AioX/Nkd7dkrkmWwXyRupynCilmIDQ==
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

2026-09-17T09:51:04.876387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087636
observed 70f6160d7388ad74685cb51df843de1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.861582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087636/manifest.json
observed 4779e1f4a82a4af56742069a0ab869a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.845741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087636/publication.md
observed 5648add2550d1c59ec46e6b700c7dab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.830791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087636/publication.txt
observed d4ff10f531943ff6bd96d911a76a9e39...
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.