OpenTechnical

OT-2026-000007861

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000007861) never changes.

Identity and time

Publication numberOT-2026-000007861 · never reused
Internal UUID01a0ae6a-908a-7e08-aae2-e35f1baceae9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007861
StatusPUBLIC

Content hashes

Canonical textefedc29cbd06400fb98f96f245befc541a795c090db0cd51a1aa876b98b3bc5c
Markdownd80c2618deb382c2e10c8574a9176db4350ca5facfaa928bd9ec5eb7ffc57d49
PDF
Publication page08282ceeaed245da67b9dfd92d45387fb0dfd4119940dd683935b7851e19ce5f
Manifest643ae96f22fb485cb8694fcb56b1f14b214e8696ac058c24a0ed875700ff6d43

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
SignatureH4CdgLjxhyyPcZXqw7DFBc+Y3pXVhZegV+tWOYTOly0C+FUnAhhSN3ORhHL2010ZgeucEFruyUFDvgRDY0hICA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:19.001512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007861
observed 08282ceeaed245da67b9dfd92d45387f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.983370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007861/manifest.json
observed 643ae96f22fb485cb8694fcb56b1f14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.961482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007861/publication.md
observed d80c2618deb382c2e10c8574a9176db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.943417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007861/publication.txt
observed efedc29cbd06400fb98f96f245befc54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.929317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007861
observed 08282ceeaed245da67b9dfd92d45387f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.908679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007861/manifest.json
observed 643ae96f22fb485cb8694fcb56b1f14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.890801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007861/publication.md
observed d80c2618deb382c2e10c8574a9176db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.872642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007861/publication.txt
observed efedc29cbd06400fb98f96f245befc54...
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.