OpenTechnical

OT-2026-000103840

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000103840) never changes.

Identity and time

Publication numberOT-2026-000103840 · never reused
Internal UUID01a0aea4-e463-7a98-9de1-f55e16faf4eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103840
StatusPUBLIC

Content hashes

Canonical textf264f1937d400b16bbad43f102da9e4ae7c1177509e36988554a706263b5bf20
Markdown089c67203dfcdec525435f0104d24cfe67f6cac8006d281acf85f5ae10cd09d9
PDF
Publication page34f9b9e05274b3a4401f9df7c329db18717f669fe1758c8ece3062f9328d948d
Manifest00cc24c2b838a98cebf781ca2f601c92e16aa34614424e8449eed20b29fb4a55

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
SignatureWsCrMtoxy583eoFgnV2f7RultnSI2NvL8+cRQSg6iZQDpHQBXPEXoscWyCdRbFzjl30d8Mascw3Aw8u3adPPDw==
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

2026-09-17T09:22:47.983195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103840
observed 34f9b9e05274b3a4401f9df7c329db18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.964209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103840/manifest.json
observed 00cc24c2b838a98cebf781ca2f601c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.948291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103840/publication.md
observed 089c67203dfcdec525435f0104d24cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.931286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103840/publication.txt
observed f264f1937d400b16bbad43f102da9e4a...
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.