OpenTechnical

OT-2026-000027282

Publication integrity record

Foam pad vacuum gripper, common isolation valve, 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-2026-000027282) never changes.

Identity and time

Publication numberOT-2026-000027282 · never reused
Internal UUID01a0ae72-6996-7aac-bf10-42cf315c4bc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027282
StatusPUBLIC

Content hashes

Canonical textc7add18c36f50312e2661b057d4508783d0dd3a62d68edeb388ae690c342295f
Markdown8c6fa11b977b998927019d3bbda6175701680c079685c1a173ed7bea9e426953
PDF
Publication page0c62ff0673a4dacfe1c058fee53762153b38d0c4d0cb0b5ec5684a31b4c73559
Manifest22c919233566bc2182a2df394c56c3470994cf28fc8ccd8f72d7d67b78dddef6

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
SignaturepzBRyH97PPiSihGBT2Bpu8WSenjbdz0DHxKrM8f/x/DOiVVof56sQceQBr3Ol1ytdhRjGSorwfdhKyDQGqhTBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:40.143876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027282
observed 0c62ff0673a4dacfe1c058fee5376215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.126940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027282/manifest.json
observed 22c919233566bc2182a2df394c56c347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.110983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027282/publication.md
observed 8c6fa11b977b998927019d3bbda61757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.095953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027282/publication.txt
observed c7add18c36f50312e2661b057d450878...
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.