OpenTechnical

OT-2026-000081806

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000081806) never changes.

Identity and time

Publication numberOT-2026-000081806 · never reused
Internal UUID01a0ae97-0f74-7a3c-87f9-03be5082fb49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081806
StatusPUBLIC

Content hashes

Canonical text3d6b9fd7cc2fecf77e3e8d1a9a8385a0adea6ef28ea5ae40c97c9190bfc522b9
Markdownbcb1c474e6f753688327a09d67f1656b13809682867abf63381d98c887241af9
PDF
Publication pageb85795b795dc59a64fd0ea98a8678e936e0cfceb0feed248db647ed5fd042749
Manifestd4e9c65574ea00d6d243b6a69a65bad5849219515f6e41c29885590af5ceaec3

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
SignaturebqI/AiPpMMZHglYjgxNUyw/apZp0tOaOycrK69w/UQBdNXtPhXI8BOjm2B1QU9PWo7TozhcZpcxzjTX2CpTQCA==
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

2026-09-17T09:59:54.524943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081806
observed b85795b795dc59a64fd0ea98a8678e93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.506951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081806/manifest.json
observed d4e9c65574ea00d6d243b6a69a65bad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.487675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081806/publication.md
observed bcb1c474e6f753688327a09d67f1656b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.468656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081806/publication.txt
observed 3d6b9fd7cc2fecf77e3e8d1a9a8385a0...
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.