OpenTechnical

OT-2026-000009344

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented after 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-2026-000009344) never changes.

Identity and time

Publication numberOT-2026-000009344 · never reused
Internal UUID01a0ae6b-7561-72d6-8ab3-7f55fe99bbe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009344
StatusPUBLIC

Content hashes

Canonical text2a6f4b3df12cb9f2c463857373459fd62cd722aea8ea1505266a829f2408b2e1
Markdown34f60d33632009d738336053a86c6429388139af62979b46775f0ccad72773d6
PDF
Publication page7f76686a066ea78f62573cff2ba576cfc2daebf93c5e1e950dceb676b311f701
Manifest2c540098b61b12502b4b0de60003b524cbcce47e013c66cdd2b08057ebfa3c5f

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
Signature4/a2g15IXnH6Q4H6SPEZQD6X7OqSiTMdzYH1dY0RTmI7xiZSul4vQ8KzcSCDkPDL1nbAQv28MBpZgHIVUNIhAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:36.389387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009344
observed 7f76686a066ea78f62573cff2ba576cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:36.370332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009344/manifest.json
observed 2c540098b61b12502b4b0de60003b524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:36.351478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009344/publication.md
observed 34f60d33632009d738336053a86c6429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:36.332237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009344/publication.txt
observed 2a6f4b3df12cb9f2c463857373459fd6...
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.