OpenTechnical

OT-2026-000007776

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000007776) never changes.

Identity and time

Publication numberOT-2026-000007776 · never reused
Internal UUID01a0ae62-843f-7954-9766-ed2295e3453c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007776
StatusPUBLIC

Content hashes

Canonical texta17343cf04cab644da9d9aec85213c34aca24b8d863ed87d7c74659ac0c5354b
Markdown44dbaa587d0d68824c53efdc7555ddc1d5eda1cee15c644779100a5366802637
PDF
Publication pagef2e0ef891a57c21507afcaf2abf14bff50c74158d9dfcbdac4ee111324edeec4
Manifest2822f9c1ff8878417397fd8762d53534432ec16c1228020edb744830a63574ba

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
SignatureDHhLtqee1+xwpxDPOS6PG/079xlqEeSYpVdT9Sbeb/0Abw8nr71SCeePFkCTnCYdCV0uiUM0AEMZPCXdxtNZAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:10.500671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007776
observed f2e0ef891a57c21507afcaf2abf14bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.483151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007776/manifest.json
observed 2822f9c1ff8878417397fd8762d53534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.464120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007776/publication.md
observed 44dbaa587d0d68824c53efdc7555ddc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.445226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007776/publication.txt
observed a17343cf04cab644da9d9aec85213c34...
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.