OpenTechnical

OT-2026-000037684

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000037684) never changes.

Identity and time

Publication numberOT-2026-000037684 · never reused
Internal UUID01a0ae77-b8cf-7eb0-88d5-776333e0ab2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037684
StatusPUBLIC

Content hashes

Canonical text020502d361b76fea73856bdfb863e6c719397088f85eca628ac5cbab0b05615b
Markdownf3d43b4ea1071f3e2f6267aff59e3b064b0fae2f3c36ec18ab82a6fe68d341f2
PDF
Publication page41ad5887298dc0771cf7b047b0dc853beda0ae0dd7ad3870d02f135ed12f7947
Manifest8dbd132b58e9e4e59e5cc9fe9d1432df91255812adccdeab2291d05e5d43c97b

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
Signature/NmjpKFDNuA0FOM87QSjgPneacQ5a64igYkM+WrO98m0Bt0YmgW22cJyvpEdxno09dCBXUpqnXN4VWq/r/SMBg==
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

2026-09-17T11:24:16.113890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037684
observed 41ad5887298dc0771cf7b047b0dc853b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:16.096526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037684/manifest.json
observed 8dbd132b58e9e4e59e5cc9fe9d1432df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:16.078159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037684/publication.md
observed f3d43b4ea1071f3e2f6267aff59e3b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:16.060640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037684/publication.txt
observed 020502d361b76fea73856bdfb863e6c7...
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.