OpenTechnical

OT-2026-000010208

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000010208) never changes.

Identity and time

Publication numberOT-2026-000010208 · never reused
Internal UUID01a0ae6b-cb7b-7136-b01a-94e5de5dfe01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010208
StatusPUBLIC

Content hashes

Canonical text946321cf2e4e986fcebbea3fdbffdf56ae72e465ade361db792f8173a68782a0
Markdown092ef523f939b4831e0785ed57412f0a72cfeda2cdc745db7d707375755813fe
PDF
Publication page03d0a9a7045db8fac2651d68a86323c686bdaa5cbcb2b4a16d644298655336df
Manifestbdedd7dff2e5491b943d6ba88af005d8ccd24caeb9b57bbaf9eeaf35b68dad55

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
SignatureD5e+Q4jYGBXLc5awrGCcuUNMwdySUsYLevZFG3YEVkllEZqENJ2SJgsd7vnjiJRJ9lYR07BBUvTPCY3qOIWNBw==
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

2026-09-17T12:16:19.824765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010208
observed 03d0a9a7045db8fac2651d68a86323c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:19.805914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010208/manifest.json
observed bdedd7dff2e5491b943d6ba88af005d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:19.787052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010208/publication.md
observed 092ef523f939b4831e0785ed57412f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:19.769696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010208/publication.txt
observed 946321cf2e4e986fcebbea3fdbffdf56...
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.