OpenTechnical

OT-2026-000081282

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented after set-down

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-2026-000081282) never changes.

Identity and time

Publication numberOT-2026-000081282 · never reused
Internal UUID01a0ae96-f374-79d0-a52f-3c1a10a8831a · 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-2026-000081282
StatusPUBLIC

Content hashes

Canonical text88ad822c577f6335c563884af59c1c10ecd4da318ec16ffe070c11ac15c9f23e
Markdowna49d4b20643e5d096745809d6e0dd132ecf53a1c50cb1eee5f152a78160c8994
PDF
Publication page0d87c0e0f89c9e23ce27414f47633c2e02b8f15a4baae8d5893396f2264b7c75
Manifest37dc48b93ed96807476ce7ec2667d7e4b11428a7fd5b92e71a41b968dc7df1b0

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
Signaturem0sUlRRZj8wGx2wbGjfkStAHJO6yMMj1q0aSs882hsHo821bsqgqsEZuKq5imncukxTxHMls1m4YOawRBA/nBg==
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

2026-09-17T10:01:23.213298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081282
observed 0d87c0e0f89c9e23ce27414f47633c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.192941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081282/manifest.json
observed 37dc48b93ed96807476ce7ec2667d7e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.174879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081282/publication.md
observed a49d4b20643e5d096745809d6e0dd132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.154436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081282/publication.txt
observed 88ad822c577f6335c563884af59c1c10...
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.