OpenTechnical

OT-2026-000074346

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000074346) never changes.

Identity and time

Publication numberOT-2026-000074346 · never reused
Internal UUID01a0ae93-7179-7dd6-aa08-a2d2540c8823 · 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-2026-000074346
StatusPUBLIC

Content hashes

Canonical text202b52aa1a5e586f49d23545164911aa0da5e89db4594f37d9cbcc7f28b07e28
Markdown0e9c4f6eb18986194d4d8a10e0ffb0fa895a56df8ca8310ef06d1b65122c5927
PDF
Publication page55e89888ebbab7797d2b8665a10b56db8102a335279fab122cd8708f7ce4f411
Manifestf776228297923b31dcecbb1c0df2c95a85f5d0d5cd43e9a2a2cc45f74944aae7

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
Signature23kA+8w+jYtOgfpYE83sLzRnfEh5i8H7Qq6QR5lXCKO3l7+0jfrEYAHUYuAnW+wORxu2DrclkOM6ISVFkEDiCw==
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

2026-09-17T10:19:16.164889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074346
observed 55e89888ebbab7797d2b8665a10b56db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.148850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074346/manifest.json
observed f776228297923b31dcecbb1c0df2c95a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.129589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074346/publication.md
observed 0e9c4f6eb18986194d4d8a10e0ffb0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.111705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074346/publication.txt
observed 202b52aa1a5e586f49d23545164911aa...
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.