OpenTechnical

OT-2026-000020265

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000020265) never changes.

Identity and time

Publication numberOT-2026-000020265 · never reused
Internal UUID01a0ae6f-437a-77f9-bd30-e9fe4ac5c43a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020265
StatusPUBLIC

Content hashes

Canonical textae25172a07a8fd00c5ab5f74c7a73e65ec0191eaf0d193b38385997e8856b2a1
Markdown67787ce852ff320ddfd4a21dbe399795c89ba86eaae54f01fe688932c6f06064
PDF
Publication pagea7106c19a3441ccea1c403a961304c6782f54ab0469356833a5fbf00e19e2cbd
Manifestce73ff1943944221ea1ac3cb5798ac0b0d01c02f9a47ca07f3aa7c3207b3b6f7

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
Signature0tQkB1fDkxWi2A/e7uszl0PjA1bvBVQhxR/12O1EFhXR1Ld/MPd20uyCM8rRPBj25cvDuwdko1w90opxA5piCw==
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

2026-09-17T11:56:36.815275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020265
observed a7106c19a3441ccea1c403a961304c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:36.796411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020265/manifest.json
observed ce73ff1943944221ea1ac3cb5798ac0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:36.776778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020265/publication.md
observed 67787ce852ff320ddfd4a21dbe399795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:36.715940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020265/publication.txt
observed ae25172a07a8fd00c5ab5f74c7a73e65...
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.