OpenTechnical

OT-2026-000067440

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000067440) never changes.

Identity and time

Publication numberOT-2026-000067440 · never reused
Internal UUID01a0ae8f-6bd9-7c75-ba46-8a72e625bc65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067440
StatusPUBLIC

Content hashes

Canonical textdedaa68e7cceb4ef6ce274806c1ab00efba89c1fea30b0d09a3e71e26067bbc4
Markdown280489cb6214865acd6353fee92adaa1f550ae12097558de9e96183e7d368c19
PDF
Publication pageb2cdec124bf679a3239aeedd0ef43a125f6af69beb8bb1642e81af28d0185370
Manifest8f0a3cf99bed151479fabe9d0fe35b9d5a838149ed6ca7b2b7945e7d0dd31906

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
SignatureLvpqEmb1QCeVVYA2j490gUoUFnFL3pR7p7/OdrM+rlQG5YgPjotQ27MMlnijiQQoASAqYOJQgkVrFJake7LCAw==
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

2026-09-17T10:31:38.606568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067440
observed b2cdec124bf679a3239aeedd0ef43a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.589591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067440/manifest.json
observed 8f0a3cf99bed151479fabe9d0fe35b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.571337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067440/publication.md
observed 280489cb6214865acd6353fee92adaa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.534538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067440/publication.txt
observed dedaa68e7cceb4ef6ce274806c1ab00e...
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.