OpenTechnical

OT-2026-000049499

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000049499) never changes.

Identity and time

Publication numberOT-2026-000049499 · never reused
Internal UUID01a0ae81-8f7c-717b-975c-f64cd07168ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049499
StatusPUBLIC

Content hashes

Canonical texte3842811d16fa77095e793bc090bbf1c7812c415ed491786fb1b53f3e6917250
Markdowne6396f5e921e05d9a6ed402ee6708cae1a04aa74826efe8a242c4631ac991708
PDF
Publication page8e2efbdc3bb81b0a42a88f27ddf6098bf015b2f1410e02deb9f18ffb8eda71c1
Manifestf01f1a978340a906abb6e1713bdf1cc6fa835b4246e19a0d4217f40f4d4b34a8

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
SignatureGq3Mnt/rSZF2Uj2BUxnCbYgC723oXKvzoXSgirPUlHoF+GnSwjRgJcFIQwX/voC1m2lq0CxJ+DyzguuSWeCSCw==
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

2026-09-17T11:02:21.088778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049499
observed 8e2efbdc3bb81b0a42a88f27ddf6098b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:21.072040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049499/manifest.json
observed f01f1a978340a906abb6e1713bdf1cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:21.053147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049499/publication.md
observed e6396f5e921e05d9a6ed402ee6708cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:21.030844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049499/publication.txt
observed e3842811d16fa77095e793bc090bbf1c...
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.