OpenTechnical

OT-2026-000070144

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000070144) never changes.

Identity and time

Publication numberOT-2026-000070144 · never reused
Internal UUID01a0ae91-1862-7d6a-b4c4-dcffd28dcbd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070144
StatusPUBLIC

Content hashes

Canonical texta44cdf48d27fc31f04cf403d7a29ac90ed1731bfc0be2b1e6a71a98dbd3c40b1
Markdownd7fe47aed150cb42a629515cc8d926e6f41a3bc9275a81e3b6114fdb4f54aa73
PDF
Publication page6c60ba3abd365e59aa6dd2cab7b5d9e2b1d1b738d22d4b3753fa0f95892e591b
Manifestefcff9f68572fe2ee4b7697f541452246bc7c9f73531ad8746ef83c9d6e9cc11

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
SignatureteiuhbEUTrN3gN6kdqvV6qHydpZzLRjuCQKtC8kPHT3lgG8ca2zfRZ4lffNnNxy1d5OT5PRS0J+ihoVRU5XSCQ==
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

2026-09-17T10:27:11.316978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070144
observed 6c60ba3abd365e59aa6dd2cab7b5d9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.298990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070144/manifest.json
observed efcff9f68572fe2ee4b7697f54145224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.279726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070144/publication.md
observed d7fe47aed150cb42a629515cc8d926e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.262047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070144/publication.txt
observed a44cdf48d27fc31f04cf403d7a29ac90...
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.