OpenTechnical

OT-2026-000103382

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000103382) never changes.

Identity and time

Publication numberOT-2026-000103382 · never reused
Internal UUID01a0aea4-e460-7808-b82e-d471eed498a9 · 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-2026-000103382
StatusPUBLIC

Content hashes

Canonical textef7b78f503fe50db758ffabd8fcadc46290b801890128fec697c003d4370a1d9
Markdowne62d0aceab64e7b496d110e28135b7e7e6370aaa832eee01daedb8db90da01db
PDF
Publication page0a4454946a50800f184324acdc582266aef7857b9a7563ae0ae3ef54ab3f0f50
Manifest8ffc6c1713ef5880c648962feeb6baa3df5141870736c7d6c903624a37b8c4b3

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
SignatureaG2XSLJ4rsGs17N+jmc4GTDinvxCE+wAGlwzZjvipVoIcZXlxKrrqLQatnPgU1iiPTUGh3PyklhyJyapMCV4Cw==
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

2026-09-17T09:22:07.334413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103382
observed 0a4454946a50800f184324acdc582266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.318738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103382/manifest.json
observed 8ffc6c1713ef5880c648962feeb6baa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.303272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103382/publication.md
observed e62d0aceab64e7b496d110e28135b7e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.285278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103382/publication.txt
observed ef7b78f503fe50db758ffabd8fcadc46...
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.