OpenTechnical

OT-2026-000008839

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, sustained 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-2026-000008839) never changes.

Identity and time

Publication numberOT-2026-000008839 · never reused
Internal UUID01a0ae6b-31b7-795e-9eb2-6b6ef4f39ba7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008839
StatusPUBLIC

Content hashes

Canonical text8a83ec29539b09cd99255f4bd550e56b83fc398287081f2f519560aaac79782c
Markdown7ae0345844f626e162ec17b61f60cb4b075127d0325564567ef51230d29f8fed
PDF
Publication pagecdc0d44dcb408b593b64df7377bfa4595d6d4e414f1fa2e3b9efece514b771e5
Manifestec3cfaa554ed122f622a3b7d862d2c2196dc550dab7a160fd9e4077e47041826

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
Signaturexk3/qYZs+zJimkhx7MGqf1KT+9maHmAg9q0d0+XYHt1iwGhi78Ut0RHzI3tQ89vcnzf4gSoQSKeh6dVG7RTuDg==
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

2026-09-17T12:17:21.162676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008839
observed cdc0d44dcb408b593b64df7377bfa459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:21.141562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008839/manifest.json
observed ec3cfaa554ed122f622a3b7d862d2c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:21.056707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008839/publication.md
observed 7ae0345844f626e162ec17b61f60cb4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:20.826525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008839/publication.txt
observed 8a83ec29539b09cd99255f4bd550e56b...
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.