OpenTechnical

OT-2026-000007784

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed 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-2026-000007784) never changes.

Identity and time

Publication numberOT-2026-000007784 · never reused
Internal UUID01a0ae62-843f-750d-94cc-c2628357f08c · 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-2026-000007784
StatusPUBLIC

Content hashes

Canonical text3b9801acc1fbd8c60fcbfdb0fab17cea68e27f781cec4b495045bd4ff3617d53
Markdown934fd4be22f5a627c0ea0234b20318959ea3e94bca6bb05f788bae41b6459699
PDF
Publication pagebf7f92bb5ef62678206325214cf90062cbe77f0c3c100e6fdc938b70d202d161
Manifestd021c38bb7ffdf1ea214041d90df006421f81b734dbb6f71e70b1f25715533a4

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
SignatureplDpM38GRPlgzbg7VysMSX0PevVb52FWBO/bh7nzMcl1KuDpCGwe5IRuLzeFQ2yxYN0RqucmafS/0rUbM+caDQ==
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

2026-09-17T08:10:11.042844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007784
observed bf7f92bb5ef62678206325214cf90062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:11.015254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007784/manifest.json
observed d021c38bb7ffdf1ea214041d90df0064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.997812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007784/publication.md
observed 934fd4be22f5a627c0ea0234b2031895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.980471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007784/publication.txt
observed 3b9801acc1fbd8c60fcbfdb0fab17cea...
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.