OpenTechnical

OT-2026-000030215

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000030215) never changes.

Identity and time

Publication numberOT-2026-000030215 · never reused
Internal UUID01a0ae73-e500-77cd-b402-193d73fba87c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030215
StatusPUBLIC

Content hashes

Canonical textaddfc5c19a5ada726f1dd75b13c6f9e35cff52fe2af4d34d6f61e77f5f1ce6e2
Markdowndb25afedbb470af19b7f190f33c4e7d3287f98bd3a74814403d68da2d1f31822
PDF
Publication page2d383e5b4f4db67946241835a109d61c1768eac8aa4d589bb34bec6957392d2c
Manifest7947ea5e3adf39c8402e2f9e6ecafd0537522935015b7a7cb4098cea3db4022e

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
SignatureUiLvcSmYkJa0gLtJQWNOCod4Jpl0RCflLdiKUwYhwvfBtW+ychF77OF19Jd3RNAuSu/RjgZlR2vKyT2AoPphDA==
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

2026-09-17T11:40:35.357207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030215
observed 2d383e5b4f4db67946241835a109d61c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.339554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030215/manifest.json
observed 7947ea5e3adf39c8402e2f9e6ecafd05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.323391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030215/publication.md
observed db25afedbb470af19b7f190f33c4e7d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.307025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030215/publication.txt
observed addfc5c19a5ada726f1dd75b13c6f9e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.879937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030215
observed 2d383e5b4f4db67946241835a109d61c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.862134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030215/manifest.json
observed 7947ea5e3adf39c8402e2f9e6ecafd05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.842939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030215/publication.md
observed db25afedbb470af19b7f190f33c4e7d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.823760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030215/publication.txt
observed addfc5c19a5ada726f1dd75b13c6f9e3...
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.