OpenTechnical

OT-2026-000027287

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000027287) never changes.

Identity and time

Publication numberOT-2026-000027287 · never reused
Internal UUID01a0ae72-6996-7a04-9a5e-c45625136cb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027287
StatusPUBLIC

Content hashes

Canonical text41ee072fcf336d049533e0d5a378c37d3f7a7b4d2fa099e79d53e533ef14c04a
Markdowne6269b5ce627c5f000942250d190cf7efa37f8463c171c5ce054b81a31ef911c
PDF
Publication page404f790b79bb7b211a0b6adeb573ad87657e5ffd5c0abba1ad34a5bdde9bdbe1
Manifest35fe7b66e55113b7d8f033295df54888089217db2861dcfcb2138de7634607c0

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
SignatureS3Tl+CnCNnr7cQ/51anFZ0O1Ov2pRXomDj616X2dHcLE0/V4ywO6iGUQYm05bY6IZ/xfEY/KMpPfWPTMgxGSBQ==
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

2026-09-17T11:42:40.499522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027287
observed 404f790b79bb7b211a0b6adeb573ad87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.482272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027287/manifest.json
observed 35fe7b66e55113b7d8f033295df54888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.463335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027287/publication.md
observed e6269b5ce627c5f000942250d190cf7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.445416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027287/publication.txt
observed 41ee072fcf336d049533e0d5a378c37d...
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.