OpenTechnical

OT-2026-000062672

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000062672) never changes.

Identity and time

Publication numberOT-2026-000062672 · never reused
Internal UUID01a0ae8c-6388-7684-8206-f7bf57f01320 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062672
StatusPUBLIC

Content hashes

Canonical text665cb0d15ee3aa9faa961bf37e67caecf7d959c39187844cd1cce0a956c48009
Markdown0c42c236a105e89e6b07e9fb72507691cd59a029d1a6eadc8937344f56060b2a
PDF
Publication page3fd2aeb5a20c5684fb132210952b9f7ec14784e692249b61e05dfc1e0fa1be13
Manifest50b00979901ead179e4fd83e1bb2c754ea7e85bca9ca5269e4211391d308da22

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
SignatureqPli8odb5mgsrB60agv84c70HbA/hrf2yn4EPfXl623PlLdPg94zXX58gVgThAfZoIAc2oMM/QfHiIQDaE/NDw==
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

2026-09-17T10:39:13.718280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062672
observed 3fd2aeb5a20c5684fb132210952b9f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:13.701510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062672/manifest.json
observed 50b00979901ead179e4fd83e1bb2c754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:13.684093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062672/publication.md
observed 0c42c236a105e89e6b07e9fb72507691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:13.667011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062672/publication.txt
observed 665cb0d15ee3aa9faa961bf37e67caec...
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.