OpenTechnical

OT-2026-000036639

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000036639) never changes.

Identity and time

Publication numberOT-2026-000036639 · never reused
Internal UUID01a0ae77-46e7-77e9-8663-4229e4d5c8f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036639
StatusPUBLIC

Content hashes

Canonical textc04795be39d8d39ddd1e6abf5b3c160351dbc3d5470fe0c9c2a385aae7f8b4ba
Markdown23b8789a6c6771175564fc962cb49f10ad83fd7cd931d064fded3fe16de3e159
PDF
Publication pagee46f6c4b0df14025663ad2b61cacbd0f236c3c77bb754e61befa4ca848b62c26
Manifest0907dc0100365f5a62f47c7293f38c92a65866c7cf2944c14c74c823743b2fcb

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
SignaturerZ93GEXBzvZeSwSejdzwwWuNoZ30ufLKoJ/pJ9x12VMqJiULeqNZoq5WeYJ9nIAYYEL9EW1F3lluaJCyJJ4vAw==
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

2026-09-17T11:25:59.162190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036639
observed e46f6c4b0df14025663ad2b61cacbd0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:59.133940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036639/manifest.json
observed 0907dc0100365f5a62f47c7293f38c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:59.116481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036639/publication.md
observed 23b8789a6c6771175564fc962cb49f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:59.088660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036639/publication.txt
observed c04795be39d8d39ddd1e6abf5b3c1603...
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.