OpenTechnical

OT-2026-000074672

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000074672) never changes.

Identity and time

Publication numberOT-2026-000074672 · never reused
Internal UUID01a0ae93-ac2b-736e-abcc-104bc1650176 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074672
StatusPUBLIC

Content hashes

Canonical text36f9bec7a61a02a40fafd29392367d54d3816f06c78751ba846a49e90baba3f3
Markdowna89693ebf514179c291c8a33ecff1fdb135ac33b4f788b0050fa2fa17df6613c
PDF
Publication pageb96cadd038c304b9017fd7b1dd2e5c55771874d02a3de7d44c23e41a0ea4d639
Manifest959664d8045f26eaa59e1340654f72b2878ec8685e582985854659f6d3a11fa6

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
SignaturepNCewAiVnPEYgdQoo4hFMTktz2lahbN5MKhKCRNLYXFF5G3Q5rm2hufemSjHrAtiMB4gjvlvghg0zxdMEJU5CA==
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

2026-09-17T10:18:15.253392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074672
observed b96cadd038c304b9017fd7b1dd2e5c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.234359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074672/manifest.json
observed 959664d8045f26eaa59e1340654f72b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.214884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074672/publication.md
observed a89693ebf514179c291c8a33ecff1fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.195944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074672/publication.txt
observed 36f9bec7a61a02a40fafd29392367d54...
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.