OpenTechnical

OT-2026-000021489

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off before 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-2026-000021489) never changes.

Identity and time

Publication numberOT-2026-000021489 · never reused
Internal UUID01a0ae6f-865d-7ef8-95c6-ccdcf1544331 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021489
StatusPUBLIC

Content hashes

Canonical text14e6a33ec1d4be39f8b76ad86d578ddcae550b1b475f83bad7f9a2817a31d95e
Markdownea7c4a554a8bf103491638c5357feac13cd9a363e890e26897e451b2eec279d0
PDF
Publication page9d11ee19ce871a4a7660bc01d8f388e25296687914b448b075f39290b6d23afa
Manifest2992c97966d02b28924df3301f88c6bc18a856dca6eb12df062e5141e8938ee1

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
SignaturezYf5YWXMZcbj6CS7F/zHFH/N4G9hZNJXvJKoMbh2KvhRs8v71jJOrrTi5iTi8x4lx2g4aBFKBC3CwdCDbz5uCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:48.593538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021489
observed 9d11ee19ce871a4a7660bc01d8f388e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:48.574742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021489/manifest.json
observed 2992c97966d02b28924df3301f88c6bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:48.558587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021489/publication.md
observed ea7c4a554a8bf103491638c5357feac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:48.537164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021489/publication.txt
observed 14e6a33ec1d4be39f8b76ad86d578ddc...
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.