OpenTechnical

OT-2026-000073314

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000073314) never changes.

Identity and time

Publication numberOT-2026-000073314 · never reused
Internal UUID01a0ae92-efb7-733b-8c55-666bfdd2635c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073314
StatusPUBLIC

Content hashes

Canonical text70cb1e6152e066c2ed57516b1a2ac84bee3d4217f1b45b6040bd65b0c32f2c15
Markdown402d8a31597f8e2607aa0765f632d7c538209e0714fbec33ce2c200726ce2315
PDF
Publication page7376c07a2edba6051281012641142f88324aa0f1a36ce3686151accac8326225
Manifest4d2d0c1899b60c195947d0c8404af0d404497fe54ae4946a1b2d57e3148bfcab

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
SignaturegKP/k1lKf+quY6Ue/0Z3lUh/K5TA3hSa57T6rec2xk/nAT1RE5+vm3XncYjDtUdblwMSE4Qr02fHUBX14zqjDw==
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

2026-09-17T10:21:19.599749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073314
observed 7376c07a2edba6051281012641142f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.580991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073314/manifest.json
observed 4d2d0c1899b60c195947d0c8404af0d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.562047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073314/publication.md
observed 402d8a31597f8e2607aa0765f632d7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.544059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073314/publication.txt
observed 70cb1e6152e066c2ed57516b1a2ac84b...
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.