OpenTechnical

OT-2026-000074118

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000074118) never changes.

Identity and time

Publication numberOT-2026-000074118 · never reused
Internal UUID01a0ae93-7177-7318-bcbb-c39474a5b9a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074118
StatusPUBLIC

Content hashes

Canonical text4138e40c9ca938956f16647dcd94b1a1d1ff74f1ca9350bb6d6eab36a7ad4d89
Markdown873c8a9c3e3e7702c8ea4e117425b099a1a1c1be38890c51318fb8061761d6d0
PDF
Publication pagebab7c76249f30302659409c1c781921f599415990e8d1de621c50262326a26ba
Manifestd5021696fa4fa2091d4496244c859c1e52b51524d2e8d62c7b61ffd5767cd7de

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
Signature4Ct/f0GlwhxAJMUh1FcCjuWl2gVpmQQ++coKVAsKlEqFRkv/imtvsG45StJVsaUW+ZbKxYe7ev6Pvvu9vH1cBg==
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

2026-09-17T10:18:57.564487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074118
observed bab7c76249f30302659409c1c781921f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.548960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074118/manifest.json
observed d5021696fa4fa2091d4496244c859c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.530507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074118/publication.md
observed 873c8a9c3e3e7702c8ea4e117425b099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.512571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074118/publication.txt
observed 4138e40c9ca938956f16647dcd94b1a1...
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.