OpenTechnical

OT-2026-000086720

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000086720) never changes.

Identity and time

Publication numberOT-2026-000086720 · never reused
Internal UUID01a0ae9a-2c99-77da-b035-55e072172e28 · 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-2026-000086720
StatusPUBLIC

Content hashes

Canonical text6668b50262f2165721da4611d607a10010b1b9e52127a31252391083f3524331
Markdown243504f5d340046406acf5d04c214196639f8988d1707435d4b463c05628eae8
PDF
Publication page884837a35f1135b5712678d491d47b246fb5032ffbc7f6817eae3e0032139110
Manifeste91c88b8f271a73623e602a5a14dafea699c074e91680dfa468dcb0277a52174

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
SignaturefvTNIDzYk6UbmxnLamumJCxWJaOOnN3tVeMzRDk3TEjk85D5NiakUB9klNCbg7TwcyP2V8sKmAdPhQAAH5JeBw==
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

2026-09-17T09:52:35.807215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086720
observed 884837a35f1135b5712678d491d47b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.789102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086720/manifest.json
observed e91c88b8f271a73623e602a5a14dafea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.771314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086720/publication.md
observed 243504f5d340046406acf5d04c214196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.754376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086720/publication.txt
observed 6668b50262f2165721da4611d607a100...
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.