OpenTechnical

OT-2026-000075278

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000075278) never changes.

Identity and time

Publication numberOT-2026-000075278 · never reused
Internal UUID01a0ae93-f200-7c4f-83fb-88ce446cd0ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075278
StatusPUBLIC

Content hashes

Canonical text0b1c22be1f6d09ba4affbff5edbfc61be51142692685728e2ae98e39f7760280
Markdown475835e0f291bfae7de7f1535e791d88653a5460155f87fe461616cc9d2b7df7
PDF
Publication page3a5268b1181b73d1fb5ceb9880c2cad45d4d2c8477917964684b73fa2f485d0d
Manifestdc082d273669202ce8961a4698dc9e085c6160bf5ae11ee0d5381970d89a1240

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
SignatureyquP3OxDOik14jYTDfc0WmlZLDvQ/sneYvXtR1xCe9N2UfHBWNf9ralr9skvHPCqoe0UGg9Z+qJkRtnMWIG1CA==
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

2026-09-17T10:20:40.946504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075278
observed 3a5268b1181b73d1fb5ceb9880c2cad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:40.926562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075278/manifest.json
observed dc082d273669202ce8961a4698dc9e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:40.907507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075278/publication.md
observed 475835e0f291bfae7de7f1535e791d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:40.888777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075278/publication.txt
observed 0b1c22be1f6d09ba4affbff5edbfc61b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:58.804111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075278
observed 3a5268b1181b73d1fb5ceb9880c2cad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:58.784771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075278/manifest.json
observed dc082d273669202ce8961a4698dc9e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:58.765081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075278/publication.md
observed 475835e0f291bfae7de7f1535e791d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:58.748189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075278/publication.txt
observed 0b1c22be1f6d09ba4affbff5edbfc61b...
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.