OpenTechnical

OT-2026-000088988

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088988) never changes.

Identity and time

Publication numberOT-2026-000088988 · never reused
Internal UUID01a0ae9b-8f11-7850-aff4-63630ffa0870 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088988
StatusPUBLIC

Content hashes

Canonical text8638ca1a40fed721c59d56b4b2e087e6219b43bb13236235a465299298dfc041
Markdowna077c8050f4258659720df7140cd67e2e7b6b6e12f9b33a47cfc91bc178970da
PDF
Publication page8413d4582bf161dfbdd7b52ecb190e991b7918017f8086675cceaad9d03eeff4
Manifest0afba947e6ab360fa18a98f6e7fbe0a349d4a708a9c8b4e29def064829b9ebc1

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
SignatureNbLwEoQHKYR7cfKRtnqUa5VAn4RcDQrWdT1aBvjG7s/eBudgpyAG6VLvQ7R/fGQMrJuDlf31W5kYlWHKUOoRDw==
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

2026-09-17T09:48:29.271946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088988
observed 8413d4582bf161dfbdd7b52ecb190e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:29.252697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088988/manifest.json
observed 0afba947e6ab360fa18a98f6e7fbe0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:29.233986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088988/publication.md
observed a077c8050f4258659720df7140cd67e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:29.215230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088988/publication.txt
observed 8638ca1a40fed721c59d56b4b2e087e6...
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.