OpenTechnical

OT-2026-000008425

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000008425) never changes.

Identity and time

Publication numberOT-2026-000008425 · never reused
Internal UUID01a0ae6a-e46a-7554-86f5-10a4e042a896 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008425
StatusPUBLIC

Content hashes

Canonical texta67d5c79d685c4b54a690130b8ea2cb87b9b50756046b1ebad6f7c1a73ca3798
Markdown86a76e1da816603ece14b3c6f01b861a1d4a3d768bec00754bb1ac140711af9e
PDF
Publication pageda19660e7900dc0f1484b4c69e545e8c4c9ac84eb05727e2c5b88dbf131cdf43
Manifest34dd50d8d916114cca5e50be5761dc43446c7554dc74a6386631bdc2d38b74b0

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
SignaturediSH/a49L6af0SHVk31f0sPROSNEyQ2fmf/s3VkDASoScDT1+vO5xkmSq/5MlxWdsKDkaBk+O6mA5ZmhqjaWBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:16.670565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008425
observed da19660e7900dc0f1484b4c69e545e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:16.650127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008425/manifest.json
observed 34dd50d8d916114cca5e50be5761dc43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:16.624050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008425/publication.md
observed 86a76e1da816603ece14b3c6f01b861a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:16.599457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008425/publication.txt
observed a67d5c79d685c4b54a690130b8ea2cb8...
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.