OpenTechnical

OT-2026-000036203

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000036203) never changes.

Identity and time

Publication numberOT-2026-000036203 · never reused
Internal UUID01a0ae77-01cf-70d7-bb04-3c56e0cf690b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036203
StatusPUBLIC

Content hashes

Canonical textc223b5e41b93b0ba4c577e6c33ff2197dcc2ccab2b269557f0870b2c16177f41
Markdown2c25a53300f304179079b7c9f3a7736a042b3f140caa6ed1f2434b81db190d33
PDF
Publication pagef9d13dc65d960d32b346ca3acd08010ebbb8e2c2b9b9470410101822c53e7b58
Manifest08d52c2fb353b032d8a0c5639eb1c3313912916f18b31874a8d59a25eee87c4e

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
SignatureV4x0xGzifbi4KzoTM1bcmbA1GV+MCE+Zz4uWHIMRLkpB1f8lsS79fjCxyvX7lMlZtpPIOuZhX5swHkCcgrEcCg==
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

2026-09-17T12:42:43.553302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036203
observed f9d13dc65d960d32b346ca3acd08010e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:43.240983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036203/manifest.json
observed 08d52c2fb353b032d8a0c5639eb1c331...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:43.030828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036203/publication.md
observed 2c25a53300f304179079b7c9f3a7736a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:42.824380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036203/publication.txt
observed c223b5e41b93b0ba4c577e6c33ff2197...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.733753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036203
observed f9d13dc65d960d32b346ca3acd08010e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.714938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036203/manifest.json
observed 08d52c2fb353b032d8a0c5639eb1c331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.694948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036203/publication.md
observed 2c25a53300f304179079b7c9f3a7736a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.676834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036203/publication.txt
observed c223b5e41b93b0ba4c577e6c33ff2197...
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.