OpenTechnical

OT-2026-000081264

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000081264) never changes.

Identity and time

Publication numberOT-2026-000081264 · never reused
Internal UUID01a0ae96-f374-779a-8005-7bd328082e98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081264
StatusPUBLIC

Content hashes

Canonical texta1025f12a80e2c88f88dcec808f019494ef5f16b520e20e4fb6f70a3d1353dce
Markdown08993e21cee6affc3b9e12e48a955ff7d6e36dca61ea6df3519f67ed015c4448
PDF
Publication paged5a25d7d885f30a531268d80333343d4a48daada880c138801e3b05d3d3a41e9
Manifesteb06c0497ceb1c0297b4f010509b08c62d645d818730886b03064186e08fc185

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
Signaturew4HZ43tqNDx10CwWkOsZshId20aMFzyaBs+AcqPRfpv+iZIAfV/QfKbExR1HM7MsP6Vr9wSRDSV4kHrnHS90AA==
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

2026-09-17T10:01:21.726400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081264
observed d5a25d7d885f30a531268d80333343d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.707467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081264/manifest.json
observed eb06c0497ceb1c0297b4f010509b08c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.686746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081264/publication.md
observed 08993e21cee6affc3b9e12e48a955ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.665021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081264/publication.txt
observed a1025f12a80e2c88f88dcec808f01949...
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.