OpenTechnical

OT-2026-000074270

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000074270) never changes.

Identity and time

Publication numberOT-2026-000074270 · never reused
Internal UUID01a0ae93-7178-7122-8a86-2cbb6b45c32b · 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-2026-000074270
StatusPUBLIC

Content hashes

Canonical textd5adb46a7b611c75cd88f1c0972e8004ca0ba4e13cef890dc3a3d0e29d76f1df
Markdownc300ea00fc30b13a8ae0cf919d0f9d24bf934e6197cf1c19818c8ec9e6a053bc
PDF
Publication page328d9b7630a22cf1b5182fb8f6488b2e4bf3f979358715b4078c7c83d05f0791
Manifestd67278024a9386b318d60a222f2b0733478ae36eb00442e70eefa01db4cb9060

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
SignaturevZ2RcYQnemtIHCdMW3gqLKoEgDo/dZbIr2AuulLUv1PcvpxMJ+ylaXSjagK92nkIU16NZyVw2wT6bKCCbpIcDg==
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

2026-09-17T10:19:10.532803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074270
observed 328d9b7630a22cf1b5182fb8f6488b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.515277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074270/manifest.json
observed d67278024a9386b318d60a222f2b0733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.496612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074270/publication.md
observed c300ea00fc30b13a8ae0cf919d0f9d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.452119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074270/publication.txt
observed d5adb46a7b611c75cd88f1c0972e8004...
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.