OpenTechnical

OT-2026-000086270

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, sustained blow-off 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-2026-000086270) never changes.

Identity and time

Publication numberOT-2026-000086270 · never reused
Internal UUID01a0ae9a-2c95-7a50-8593-6f1f78a146aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086270
StatusPUBLIC

Content hashes

Canonical text0ef375cce7be5c7ce5c13ffad151dbc62a8fdcf01d8d88c28df8451a702ac351
Markdownc52acefdd18b6dd0778a839b3f6793c8c87a01f4c21b5a63eba813fc864f31cf
PDF
Publication page60f782a5caf4ee91de734463876bdd9e448240c1dd34321f12d5f6abdf99f894
Manifest18e5cd974d6b2110f0e782cb499fbf4a1cbbbfbde2d744cd3d4a278891ce61c7

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
SignatureYziJEd9yCyZ1fwVL6UK0SDvgnhZzR5YSNTEiDz3WMRhbT1DV8Re1oTjuZcqWBpLRphu9uAnskmIY0k4QW2l1Dw==
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

2026-09-17T09:51:56.365219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086270
observed 60f782a5caf4ee91de734463876bdd9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.347063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086270/manifest.json
observed 18e5cd974d6b2110f0e782cb499fbf4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.330929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086270/publication.md
observed c52acefdd18b6dd0778a839b3f6793c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.311093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086270/publication.txt
observed 0ef375cce7be5c7ce5c13ffad151dbc6...
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.