OpenTechnical

OT-2026-000101919

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off after 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-2026-000101919) never changes.

Identity and time

Publication numberOT-2026-000101919 · never reused
Internal UUID01a0aea4-50f1-727c-b1a5-06814604dfe5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101919
StatusPUBLIC

Content hashes

Canonical textbcf6f9f5a3fbd086c95d7f41752e1cf229a877eeb91d55086bceab12269a664a
Markdownb3d70583ca6f3ffdf112dc4186ca7d4e2e20100ad9d34ebcfabf706fd056b434
PDF
Publication pagef92b4cc3e35995aea997ac0cd76e32a6e5244bd74331663e46a2a5579d679158
Manifest66ce29effe928addeeb8ecfc033eae2d9d3ee3b33e8115c1460ec73dce790a16

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
SignatureVwVprUt5n2OaxXgNXtUEqXC6hs1G0ctkvXJXkLXgoUibsAbYjkLr5jGUgkTdhytLIOtCweNRkRyB1I0ATq7NAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:32.357709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101919
observed f92b4cc3e35995aea997ac0cd76e32a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:32.340394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101919/manifest.json
observed 66ce29effe928addeeb8ecfc033eae2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:32.320102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101919/publication.md
observed b3d70583ca6f3ffdf112dc4186ca7d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:32.300315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101919/publication.txt
observed bcf6f9f5a3fbd086c95d7f41752e1cf2...
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.