OpenTechnical

OT-2026-000070362

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000070362) never changes.

Identity and time

Publication numberOT-2026-000070362 · never reused
Internal UUID01a0ae91-545f-7d98-9dca-a5ad73dad26b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070362
StatusPUBLIC

Content hashes

Canonical textf1be71fcaaf0b218cfad06706b1a58a545745d4108e15adf86c9ac10aff3b3a3
Markdown4ab301442647bf4cfd0db846a6e67c5982fd96975a73eb549a88b1757cbefcd8
PDF
Publication page4cfc364fe335483a24c73c86ae2b95dcc8de898e115f6ad9e9e5e13829b58ffa
Manifestda05349db5e2a45484f5ea695ed247c133c132552527d782e998bdeb8fc63823

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
SignatureI+qPpsrPyajagZ5KdsnD401nD1Bq3AwTQ2hZTfv0BZ5pRiSgyqlK/uDTFIH8TFBOI8JBlz7XmJxuX6A513RcBw==
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

2026-09-17T10:26:09.744025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070362
observed 4cfc364fe335483a24c73c86ae2b95dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:09.725561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070362/manifest.json
observed da05349db5e2a45484f5ea695ed247c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:09.707342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070362/publication.md
observed 4ab301442647bf4cfd0db846a6e67c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:09.689688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070362/publication.txt
observed f1be71fcaaf0b218cfad06706b1a58a5...
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.