OpenTechnical

OT-2026-000074109

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000074109) never changes.

Identity and time

Publication numberOT-2026-000074109 · never reused
Internal UUID01a0ae93-7177-73a9-b98b-43d3f28aa430 · 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-2026-000074109
StatusPUBLIC

Content hashes

Canonical text11875d1a4fb2227f0f7785793039bbf87978069c80ec3b010cd5b193ff942511
Markdown40fe2f56c9dcde0ad9dfd9fe0f77c23b6d53f341872ac5ded7aebcec18ac4685
PDF
Publication page6bef90bf26785c210cce74187960a743669f698ea012f988008d56a244d4447d
Manifest204fbd77efa58ac8db36a34d6d73daecd4f2bf1df4a868311d68b731b5fef48e

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
SignatureUedBbi5mkEC91vXRo+vW7+wK93g0SHvkmtLQ1Lr4QXJnMVK+DDCjkPaK1YKuxS3IdUuK0acVV9DPf6LO9g2LCw==
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

2026-09-17T10:18:56.746210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074109
observed 6bef90bf26785c210cce74187960a743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.729246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074109/manifest.json
observed 204fbd77efa58ac8db36a34d6d73daec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.711560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074109/publication.md
observed 40fe2f56c9dcde0ad9dfd9fe0f77c23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.692771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074109/publication.txt
observed 11875d1a4fb2227f0f7785793039bbf8...
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.