OpenTechnical

OT-2026-000014039

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000014039) never changes.

Identity and time

Publication numberOT-2026-000014039 · never reused
Internal UUID01a0ae6d-8deb-710e-8158-6eb1efa49a21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014039
StatusPUBLIC

Content hashes

Canonical text07af975578d2aaaac55ae5b68dd6329a483aadc74d7831cc61decfa28ed39178
Markdownd7641b56029d3b1b57061047d21deea1872e199230d940978bc2c69a2c5e7845
PDF
Publication page55a09da77c5f0e3ee430ca205fa6b54b8c785cdcb21daeb1b07d91d8e95c0862
Manifestf0b1fe77d82ad947ee168a2390a5a2009fe1968b196147a150887592e2b95d09

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
SignaturerTjxPk3w0FweJrV/4vk3gGw+BdN97Dg12Pt93Y2w6lD+aHWzNZX2YfVQ1OalCTIv6WzFh4woR/ToDYNbsZkwDA==
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

2026-09-17T12:09:16.382368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014039
observed 55a09da77c5f0e3ee430ca205fa6b54b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:16.361030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014039/manifest.json
observed f0b1fe77d82ad947ee168a2390a5a200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:16.337487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014039/publication.md
observed d7641b56029d3b1b57061047d21deea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:16.315301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014039/publication.txt
observed 07af975578d2aaaac55ae5b68dd6329a...
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.