OpenTechnical

OT-2026-000086435

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000086435) never changes.

Identity and time

Publication numberOT-2026-000086435 · never reused
Internal UUID01a0ae9a-2c97-73d6-a55b-a45dd0c1e3f5 · 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-2026-000086435
StatusPUBLIC

Content hashes

Canonical text834b47f56e6b86fb3c21abe01b90446557a8d58b15bb747a8c5969be0cbafdeb
Markdowncbb30f16311a8449f37f281fd6c089d0d4dbfdee33774810e5a67104c9405242
PDF
Publication page332e510c1ce3ed2820e4cd4a356f69f6bc7305f5043cb9a91af86db496223f0d
Manifest09d7c59981e8dc544741cf410f9f757638f0f0bd1e96113db579a07c0389abee

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
SignaturecRtSY0N3guGPsm6rnXJg/pHg11Vb7xUHXe5NYuPJYSfUXs1tOy+HoIbwt7Y2Uey7b+HDl10PfJccsjEnGmFkAQ==
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

2026-09-17T09:52:14.001727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086435
observed 332e510c1ce3ed2820e4cd4a356f69f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.982545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086435/manifest.json
observed 09d7c59981e8dc544741cf410f9f7576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.963474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086435/publication.md
observed cbb30f16311a8449f37f281fd6c089d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.944134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086435/publication.txt
observed 834b47f56e6b86fb3c21abe01b904465...
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.